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Exam 3: Graphical Descriptive Techniques II

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NARRBEGIN: Home Care Home Care Data are collected on the number of house calls (x) made in a given week by each of 60 nurses in a certain hospital. The same data set is displayed in each of the three histograms below. NARRBEGIN: Home Care Home Care Data are collected on the number of house calls (x) made in a given week by each of 60 nurses in a certain hospital. The same data set is displayed in each of the three histograms below. NARREND -A modal class in a histogram is the class that includes NARRBEGIN: Home Care Home Care Data are collected on the number of house calls (x) made in a given week by each of 60 nurses in a certain hospital. The same data set is displayed in each of the three histograms below. NARREND -A modal class in a histogram is the class that includes NARRBEGIN: Home Care Home Care Data are collected on the number of house calls (x) made in a given week by each of 60 nurses in a certain hospital. The same data set is displayed in each of the three histograms below. NARREND -A modal class in a histogram is the class that includes NARREND -A modal class in a histogram is the class that includes

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Question 1
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A

NARRBEGIN: Electronics Company Electronics Company At a meeting of regional offices managers of a national electronics company, a survey was taken to determine the number of employees the regional managers supervise in the operation of their departments. The results of the survey are shown below. Number of emplayees supervised 1 2 3 4 5 Frequency 7 11 14 10 NARREND -{Electronics Company Narrative} What proportion of managers supervise 3 employees?

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Question 2
Correct Answer:
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14/50 = 0.28

NARRBEGIN: Home Care Home Care Data are collected on the number of house calls (x) made in a given week by each of 60 nurses in a certain hospital. The same data set is displayed in each of the three histograms below. NARRBEGIN: Home Care Home Care Data are collected on the number of house calls (x) made in a given week by each of 60 nurses in a certain hospital. The same data set is displayed in each of the three histograms below. NARREND -Which of the following statements about shapes of histograms is true? NARRBEGIN: Home Care Home Care Data are collected on the number of house calls (x) made in a given week by each of 60 nurses in a certain hospital. The same data set is displayed in each of the three histograms below. NARREND -Which of the following statements about shapes of histograms is true? NARRBEGIN: Home Care Home Care Data are collected on the number of house calls (x) made in a given week by each of 60 nurses in a certain hospital. The same data set is displayed in each of the three histograms below. NARREND -Which of the following statements about shapes of histograms is true? NARREND -Which of the following statements about shapes of histograms is true?

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Question 3
Correct Answer:
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D

NARRBEGIN: Home Care Home Care Data are collected on the number of house calls (x) made in a given week by each of 60 nurses in a certain hospital. The same data set is displayed in each of the three histograms below. NARRBEGIN: Home Care Home Care Data are collected on the number of house calls (x) made in a given week by each of 60 nurses in a certain hospital. The same data set is displayed in each of the three histograms below. NARREND -Compare the two histograms below. Which statement is true? NARRBEGIN: Home Care Home Care Data are collected on the number of house calls (x) made in a given week by each of 60 nurses in a certain hospital. The same data set is displayed in each of the three histograms below. NARREND -Compare the two histograms below. Which statement is true? NARRBEGIN: Home Care Home Care Data are collected on the number of house calls (x) made in a given week by each of 60 nurses in a certain hospital. The same data set is displayed in each of the three histograms below. NARREND -Compare the two histograms below. Which statement is true? NARREND -Compare the two histograms below. Which statement is true? NARRBEGIN: Home Care Home Care Data are collected on the number of house calls (x) made in a given week by each of 60 nurses in a certain hospital. The same data set is displayed in each of the three histograms below. NARREND -Compare the two histograms below. Which statement is true? NARRBEGIN: Home Care Home Care Data are collected on the number of house calls (x) made in a given week by each of 60 nurses in a certain hospital. The same data set is displayed in each of the three histograms below. NARREND -Compare the two histograms below. Which statement is true?

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Question 4

NARRBEGIN: Home Care Home Care Data are collected on the number of house calls (x) made in a given week by each of 60 nurses in a certain hospital. The same data set is displayed in each of the three histograms below. NARRBEGIN: Home Care Home Care Data are collected on the number of house calls (x) made in a given week by each of 60 nurses in a certain hospital. The same data set is displayed in each of the three histograms below. NARREND -A histogram is said to be symmetric if, when we draw a vertical line down the center of the histogram the two sides are nearly identical. NARRBEGIN: Home Care Home Care Data are collected on the number of house calls (x) made in a given week by each of 60 nurses in a certain hospital. The same data set is displayed in each of the three histograms below. NARREND -A histogram is said to be symmetric if, when we draw a vertical line down the center of the histogram the two sides are nearly identical. NARRBEGIN: Home Care Home Care Data are collected on the number of house calls (x) made in a given week by each of 60 nurses in a certain hospital. The same data set is displayed in each of the three histograms below. NARREND -A histogram is said to be symmetric if, when we draw a vertical line down the center of the histogram the two sides are nearly identical. NARREND -A histogram is said to be symmetric if, when we draw a vertical line down the center of the histogram the two sides are nearly identical.

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Question 5

NARRBEGIN: Home Care Home Care Data are collected on the number of house calls (x) made in a given week by each of 60 nurses in a certain hospital. The same data set is displayed in each of the three histograms below. NARRBEGIN: Home Care Home Care Data are collected on the number of house calls (x) made in a given week by each of 60 nurses in a certain hospital. The same data set is displayed in each of the three histograms below. NARREND -Observations that are measured at the same time are called ____________________ data. NARRBEGIN: Home Care Home Care Data are collected on the number of house calls (x) made in a given week by each of 60 nurses in a certain hospital. The same data set is displayed in each of the three histograms below. NARREND -Observations that are measured at the same time are called ____________________ data. NARRBEGIN: Home Care Home Care Data are collected on the number of house calls (x) made in a given week by each of 60 nurses in a certain hospital. The same data set is displayed in each of the three histograms below. NARREND -Observations that are measured at the same time are called ____________________ data. NARREND -Observations that are measured at the same time are called ____________________ data.

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Question 6

NARRBEGIN: Home Care Home Care Data are collected on the number of house calls (x) made in a given week by each of 60 nurses in a certain hospital. The same data set is displayed in each of the three histograms below. NARRBEGIN: Home Care Home Care Data are collected on the number of house calls (x) made in a given week by each of 60 nurses in a certain hospital. The same data set is displayed in each of the three histograms below. NARREND -In order to draw a scatter diagram, we need interval data for NARRBEGIN: Home Care Home Care Data are collected on the number of house calls (x) made in a given week by each of 60 nurses in a certain hospital. The same data set is displayed in each of the three histograms below. NARREND -In order to draw a scatter diagram, we need interval data for NARRBEGIN: Home Care Home Care Data are collected on the number of house calls (x) made in a given week by each of 60 nurses in a certain hospital. The same data set is displayed in each of the three histograms below. NARREND -In order to draw a scatter diagram, we need interval data for NARREND -In order to draw a scatter diagram, we need interval data for

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Question 7

NARRBEGIN: Home Care Home Care Data are collected on the number of house calls (x) made in a given week by each of 60 nurses in a certain hospital. The same data set is displayed in each of the three histograms below. NARRBEGIN: Home Care Home Care Data are collected on the number of house calls (x) made in a given week by each of 60 nurses in a certain hospital. The same data set is displayed in each of the three histograms below. NARREND -A stem-and-leaf display reveals more information about the original data than does a histogram. NARRBEGIN: Home Care Home Care Data are collected on the number of house calls (x) made in a given week by each of 60 nurses in a certain hospital. The same data set is displayed in each of the three histograms below. NARREND -A stem-and-leaf display reveals more information about the original data than does a histogram. NARRBEGIN: Home Care Home Care Data are collected on the number of house calls (x) made in a given week by each of 60 nurses in a certain hospital. The same data set is displayed in each of the three histograms below. NARREND -A stem-and-leaf display reveals more information about the original data than does a histogram. NARREND -A stem-and-leaf display reveals more information about the original data than does a histogram.

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Question 8

NARRBEGIN: Home Care Home Care Data are collected on the number of house calls (x) made in a given week by each of 60 nurses in a certain hospital. The same data set is displayed in each of the three histograms below. NARRBEGIN: Home Care Home Care Data are collected on the number of house calls (x) made in a given week by each of 60 nurses in a certain hospital. The same data set is displayed in each of the three histograms below. NARREND -A stem-and-leaf display represents nominal data. NARRBEGIN: Home Care Home Care Data are collected on the number of house calls (x) made in a given week by each of 60 nurses in a certain hospital. The same data set is displayed in each of the three histograms below. NARREND -A stem-and-leaf display represents nominal data. NARRBEGIN: Home Care Home Care Data are collected on the number of house calls (x) made in a given week by each of 60 nurses in a certain hospital. The same data set is displayed in each of the three histograms below. NARREND -A stem-and-leaf display represents nominal data. NARREND -A stem-and-leaf display represents nominal data.

(True/False)
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Question 9

NARRBEGIN: Insurance Company Insurance Company A representative from a local insurance agency selected a random sample of insured homeowners and recorded the number of claims made in the last three years, with the following results: Number of claims 0 1 2 3 4 5 Frequency 9 20 14 13 5 3 NARREND -{Insurance Company Narrative} What proportion of homeowners had no claims in the last three years?

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Question 10

NARRBEGIN: Home Care Home Care Data are collected on the number of house calls (x) made in a given week by each of 60 nurses in a certain hospital. The same data set is displayed in each of the three histograms below. NARRBEGIN: Home Care Home Care Data are collected on the number of house calls (x) made in a given week by each of 60 nurses in a certain hospital. The same data set is displayed in each of the three histograms below. NARREND -The graph below represents a line graph. NARRBEGIN: Home Care Home Care Data are collected on the number of house calls (x) made in a given week by each of 60 nurses in a certain hospital. The same data set is displayed in each of the three histograms below. NARREND -The graph below represents a line graph. NARRBEGIN: Home Care Home Care Data are collected on the number of house calls (x) made in a given week by each of 60 nurses in a certain hospital. The same data set is displayed in each of the three histograms below. NARREND -The graph below represents a line graph. NARREND -The graph below represents a line graph. NARRBEGIN: Home Care Home Care Data are collected on the number of house calls (x) made in a given week by each of 60 nurses in a certain hospital. The same data set is displayed in each of the three histograms below. NARREND -The graph below represents a line graph.

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Question 11

NARRBEGIN: Home Care Home Care Data are collected on the number of house calls (x) made in a given week by each of 60 nurses in a certain hospital. The same data set is displayed in each of the three histograms below. NARRBEGIN: Home Care Home Care Data are collected on the number of house calls (x) made in a given week by each of 60 nurses in a certain hospital. The same data set is displayed in each of the three histograms below. NARREND -A cumulative relative frequency distribution lists the number of observations that lie below each of the class limits. NARRBEGIN: Home Care Home Care Data are collected on the number of house calls (x) made in a given week by each of 60 nurses in a certain hospital. The same data set is displayed in each of the three histograms below. NARREND -A cumulative relative frequency distribution lists the number of observations that lie below each of the class limits. NARRBEGIN: Home Care Home Care Data are collected on the number of house calls (x) made in a given week by each of 60 nurses in a certain hospital. The same data set is displayed in each of the three histograms below. NARREND -A cumulative relative frequency distribution lists the number of observations that lie below each of the class limits. NARREND -A cumulative relative frequency distribution lists the number of observations that lie below each of the class limits.

(True/False)
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Question 12

NARRBEGIN: Home Care Home Care Data are collected on the number of house calls (x) made in a given week by each of 60 nurses in a certain hospital. The same data set is displayed in each of the three histograms below. NARRBEGIN: Home Care Home Care Data are collected on the number of house calls (x) made in a given week by each of 60 nurses in a certain hospital. The same data set is displayed in each of the three histograms below. NARREND -The relationship between two interval variables is graphically displayed by a NARRBEGIN: Home Care Home Care Data are collected on the number of house calls (x) made in a given week by each of 60 nurses in a certain hospital. The same data set is displayed in each of the three histograms below. NARREND -The relationship between two interval variables is graphically displayed by a NARRBEGIN: Home Care Home Care Data are collected on the number of house calls (x) made in a given week by each of 60 nurses in a certain hospital. The same data set is displayed in each of the three histograms below. NARREND -The relationship between two interval variables is graphically displayed by a NARREND -The relationship between two interval variables is graphically displayed by a

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Question 13

NARRBEGIN: Home Care Home Care Data are collected on the number of house calls (x) made in a given week by each of 60 nurses in a certain hospital. The same data set is displayed in each of the three histograms below. NARRBEGIN: Home Care Home Care Data are collected on the number of house calls (x) made in a given week by each of 60 nurses in a certain hospital. The same data set is displayed in each of the three histograms below. NARREND -Which of the following statements describe(s) the line chart below? NARRBEGIN: Home Care Home Care Data are collected on the number of house calls (x) made in a given week by each of 60 nurses in a certain hospital. The same data set is displayed in each of the three histograms below. NARREND -Which of the following statements describe(s) the line chart below? NARRBEGIN: Home Care Home Care Data are collected on the number of house calls (x) made in a given week by each of 60 nurses in a certain hospital. The same data set is displayed in each of the three histograms below. NARREND -Which of the following statements describe(s) the line chart below? NARREND -Which of the following statements describe(s) the line chart below? NARRBEGIN: Home Care Home Care Data are collected on the number of house calls (x) made in a given week by each of 60 nurses in a certain hospital. The same data set is displayed in each of the three histograms below. NARREND -Which of the following statements describe(s) the line chart below?

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Question 14

NARRBEGIN: Home Care Home Care Data are collected on the number of house calls (x) made in a given week by each of 60 nurses in a certain hospital. The same data set is displayed in each of the three histograms below. NARRBEGIN: Home Care Home Care Data are collected on the number of house calls (x) made in a given week by each of 60 nurses in a certain hospital. The same data set is displayed in each of the three histograms below. NARREND -What does the length of each line of a stem-and-leaf display represent? NARRBEGIN: Home Care Home Care Data are collected on the number of house calls (x) made in a given week by each of 60 nurses in a certain hospital. The same data set is displayed in each of the three histograms below. NARREND -What does the length of each line of a stem-and-leaf display represent? NARRBEGIN: Home Care Home Care Data are collected on the number of house calls (x) made in a given week by each of 60 nurses in a certain hospital. The same data set is displayed in each of the three histograms below. NARREND -What does the length of each line of a stem-and-leaf display represent? NARREND -What does the length of each line of a stem-and-leaf display represent?

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Question 15

NARRBEGIN: Electronics Company Electronics Company At a meeting of regional offices managers of a national electronics company, a survey was taken to determine the number of employees the regional managers supervise in the operation of their departments. The results of the survey are shown below. Number of emplayees supervised 1 2 3 4 5 Frequency 7 11 14 10 NARREND -{Electronics Company Narrative} What is the cumulative relative frequency corresponding to 5 employees?

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Question 16

NARRBEGIN: Home Care Home Care Data are collected on the number of house calls (x) made in a given week by each of 60 nurses in a certain hospital. The same data set is displayed in each of the three histograms below. NARRBEGIN: Home Care Home Care Data are collected on the number of house calls (x) made in a given week by each of 60 nurses in a certain hospital. The same data set is displayed in each of the three histograms below. NARREND -Which of the following describes a positive linear relationship between X and Y? NARRBEGIN: Home Care Home Care Data are collected on the number of house calls (x) made in a given week by each of 60 nurses in a certain hospital. The same data set is displayed in each of the three histograms below. NARREND -Which of the following describes a positive linear relationship between X and Y? NARRBEGIN: Home Care Home Care Data are collected on the number of house calls (x) made in a given week by each of 60 nurses in a certain hospital. The same data set is displayed in each of the three histograms below. NARREND -Which of the following describes a positive linear relationship between X and Y? NARREND -Which of the following describes a positive linear relationship between X and Y?

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Question 17

NARRBEGIN: Home Care Home Care Data are collected on the number of house calls (x) made in a given week by each of 60 nurses in a certain hospital. The same data set is displayed in each of the three histograms below. NARRBEGIN: Home Care Home Care Data are collected on the number of house calls (x) made in a given week by each of 60 nurses in a certain hospital. The same data set is displayed in each of the three histograms below. NARREND -According to the stem-and-leaf plot below, the median quiz score for this data set is 8. \begin{array} { l } \text { Stem-and-leaf of Quiz Score; } \mathrm { N } = 75 \\ \text { Leaf Unit = } 1 \\ \begin{array} { lll } 9&0 & 000112333 \\ 14&0 & 56899 \\ 21&1 & 0000123 \\ 26&1 & 66699 \\ 33&2 & 3334445 \\ (8)&2 & 66677888 \\ 34&3 & 0023344 \\ 27&3 & 56669999 \\ 19&4 & 000122233 \\ 10&4 & 5556667790 \end{array}\end{array} NARRBEGIN: Home Care Home Care Data are collected on the number of house calls (x) made in a given week by each of 60 nurses in a certain hospital. The same data set is displayed in each of the three histograms below. NARREND -According to the stem-and-leaf plot below, the median quiz score for this data set is 8. \begin{array} { l } \text { Stem-and-leaf of Quiz Score; } \mathrm { N } = 75 \\ \text { Leaf Unit = } 1 \\ \begin{array} { lll } 9&0 & 000112333 \\ 14&0 & 56899 \\ 21&1 & 0000123 \\ 26&1 & 66699 \\ 33&2 & 3334445 \\ (8)&2 & 66677888 \\ 34&3 & 0023344 \\ 27&3 & 56669999 \\ 19&4 & 000122233 \\ 10&4 & 5556667790 \end{array}\end{array} NARRBEGIN: Home Care Home Care Data are collected on the number of house calls (x) made in a given week by each of 60 nurses in a certain hospital. The same data set is displayed in each of the three histograms below. NARREND -According to the stem-and-leaf plot below, the median quiz score for this data set is 8. \begin{array} { l } \text { Stem-and-leaf of Quiz Score; } \mathrm { N } = 75 \\ \text { Leaf Unit = } 1 \\ \begin{array} { lll } 9&0 & 000112333 \\ 14&0 & 56899 \\ 21&1 & 0000123 \\ 26&1 & 66699 \\ 33&2 & 3334445 \\ (8)&2 & 66677888 \\ 34&3 & 0023344 \\ 27&3 & 56669999 \\ 19&4 & 000122233 \\ 10&4 & 5556667790 \end{array}\end{array} NARREND -According to the stem-and-leaf plot below, the median quiz score for this data set is 8. Stem-and-leaf of Quiz Score; =75 Leaf Unit = 1 9 0 000112333 14 0 56899 21 1 0000123 26 1 66699 33 2 3334445 (8) 2 66677888 34 3 0023344 27 3 56669999 19 4 000122233 10 4 5556667790

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Question 18

NARRBEGIN: Home Care Home Care Data are collected on the number of house calls (x) made in a given week by each of 60 nurses in a certain hospital. The same data set is displayed in each of the three histograms below. NARRBEGIN: Home Care Home Care Data are collected on the number of house calls (x) made in a given week by each of 60 nurses in a certain hospital. The same data set is displayed in each of the three histograms below. NARREND -Observations that are measured at successive points in time is what type of data? NARRBEGIN: Home Care Home Care Data are collected on the number of house calls (x) made in a given week by each of 60 nurses in a certain hospital. The same data set is displayed in each of the three histograms below. NARREND -Observations that are measured at successive points in time is what type of data? NARRBEGIN: Home Care Home Care Data are collected on the number of house calls (x) made in a given week by each of 60 nurses in a certain hospital. The same data set is displayed in each of the three histograms below. NARREND -Observations that are measured at successive points in time is what type of data? NARREND -Observations that are measured at successive points in time is what type of data?

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Question 19

NARRBEGIN: Home Care Home Care Data are collected on the number of house calls (x) made in a given week by each of 60 nurses in a certain hospital. The same data set is displayed in each of the three histograms below. NARRBEGIN: Home Care Home Care Data are collected on the number of house calls (x) made in a given week by each of 60 nurses in a certain hospital. The same data set is displayed in each of the three histograms below. NARREND -When a distribution has more values to the right and tails to the left, we say it is skewed negatively. NARRBEGIN: Home Care Home Care Data are collected on the number of house calls (x) made in a given week by each of 60 nurses in a certain hospital. The same data set is displayed in each of the three histograms below. NARREND -When a distribution has more values to the right and tails to the left, we say it is skewed negatively. NARRBEGIN: Home Care Home Care Data are collected on the number of house calls (x) made in a given week by each of 60 nurses in a certain hospital. The same data set is displayed in each of the three histograms below. NARREND -When a distribution has more values to the right and tails to the left, we say it is skewed negatively. NARREND -When a distribution has more values to the right and tails to the left, we say it is skewed negatively.

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