Question 1

A dot plot shows ________.

Accepted Answer

A) the general shape of a distribution 
B) the mean,median,and mode 
C) the relationship between two variables 
D) the interquartile range 
A) the general shape of a distribution 
B) the mean,median,and mode 
C) the relationship between two variables 
D) the interquartile range

Question 2

A stem-and-leaf display includes the following row: 5 | 10 11 31 52 79 98. Assume that the data are rounded to the nearest whole number.

Accepted Answer

A) The frequency of the class is 7. 
B) The minimum value in the class is 5. 
C) The maximum value in the class is 98. 
D) The class interval is 100. 
A) The frequency of the class is 7. 
B) The minimum value in the class is 5. 
C) The maximum value in the class is 98. 
D) The class interval is 100.

Question 3

In the following table,

Accepted Answer

A) the median is 2.5. 
B) the minimum value is 135. 
C) the maximum value is 456. 
D) the range is 33. 
A) the median is 2.5. 
B) the minimum value is 135. 
C) the maximum value is 456. 
D) the range is 33.

Question 4

Percentiles divide a distribution into ________.

Accepted Answer

A) 2 equal parts 
B) 4 equal parts 
C) 10 equal parts 
D) 100 equal parts 
A) 2 equal parts 
B) 4 equal parts 
C) 10 equal parts 
D) 100 equal parts

Question 5

Quartiles divide a distribution into four equal parts.

Accepted Answer

A) True 
 B)False

Question 6

Quartiles divide a distribution into 10 equal parts.

Accepted Answer

A) True 
 B)False

Question 7

In the following set of data: (1,3,5,6,7,9,100),what are the first,second,and third quartiles?

Accepted Answer

A) 1,6,and 100 
B) 3,5,and 9 
C) 3,6,and 9 
D) 1,5,and 100 
A) 1,6,and 100 
B) 3,5,and 9 
C) 3,6,and 9 
D) 1,5,and 100

Question 8

A stem-and-leaf display includes the following row: 3 | 0 1 3 5 7 9. Assume that the data are rounded to the nearest whole number. Which of the following statements is true?

Accepted Answer

A) The frequency of the class is 7. 
B) The minimum value in the class is 0. 
C) The maximum value in the class is 39. 
D) The class interval is 5. 
A) The frequency of the class is 7. 
B) The minimum value in the class is 0. 
C) The maximum value in the class is 39. 
D) The class interval is 5.

Question 9

A dot plot is an easy way to represent the relationship between two variables.

Accepted Answer

A) True 
 B)False

Question 10

The "box" in a box plot shows the interquartile range.

Accepted Answer

A) True 
 B)False

Question 11

A dot plot shows the symmetry of a distribution.

Accepted Answer

A) True 
 B)False

Question 12

The eighth decile ________.

Accepted Answer

A) contains at least 70% of the observations 
B) is the same as the 40th percentile 
C) is the same as the 70th percentile 
D) is the same as the 80th percentile 
A) contains at least 70% of the observations 
B) is the same as the 40th percentile 
C) is the same as the 70th percentile 
D) is the same as the 80th percentile

Question 13

In a distribution,the second quartile corresponds with the ________.

Accepted Answer

A) mean 
B) median 
C) mode 
D) variance 
A) mean 
B) median 
C) mode 
D) variance

Question 14

The 75th percentile is referred to as the ________.

Accepted Answer

A) first quartile 
B) second quartile 
C) third quartile 
D) fourth quartile 
A) first quartile 
B) second quartile 
C) third quartile 
D) fourth quartile

Question 15

The 67th percentile is ________.

Accepted Answer

A) the value above which 67% of the observations occur 
B) a value one less than 67% of the observations 
C) the value below which 67% of the observations occur 
D) the value of the observation at the 67th location 
A) the value above which 67% of the observations occur 
B) a value one less than 67% of the observations 
C) the value below which 67% of the observations occur 
D) the value of the observation at the 67th location

Question 16

In a scatter diagram,we describe the relationship between ________.

Accepted Answer

A) two variables measured at the ordinal level 
B) two variables,one measured as an ordinal variable and the other as a ratio variable 
C) two variables measured at the interval or ratio level 
D) a variable measure on the interval or ratio level and time 
A) two variables measured at the ordinal level 
B) two variables,one measured as an ordinal variable and the other as a ratio variable 
C) two variables measured at the interval or ratio level 
D) a variable measure on the interval or ratio level and time

Question 17

Percentiles divide a distribution into 100 equal parts.

Accepted Answer

A) True 
 B)False

Question 18

A scatter diagram of sales versus production may be constructed by plotting the minimum,first quartile,median,third quartile,and maximum values of each variable.

Accepted Answer

A) True 
 B)False

Question 19

In a contingency table,we describe the relationship between ________.

Accepted Answer

A) two variables measured at the ordinal or nominal level 
B) two variables,one measured as an ordinal variable and the other as a ratio variable 
C) two variables measured at the interval or ratio level 
D) a variable measure on the interval or ratio level and time 
A) two variables measured at the ordinal or nominal level 
B) two variables,one measured as an ordinal variable and the other as a ratio variable 
C) two variables measured at the interval or ratio level 
D) a variable measure on the interval or ratio level and time

Question 20

A box plot shows ________.

Accepted Answer

A) the mean and variance 
B) the relative symmetry of a distribution for a set of data 
C) the 10th and 90th percentiles of a distribution 
D) the deciles of a distribution 
A) the mean and variance 
B) the relative symmetry of a distribution for a set of data 
C) the 10th and 90th percentiles of a distribution 
D) the deciles of a distribution

A dot plot shows ________.

A stem-and-leaf display includes the following row: 5 | 10 11 31 52 79 98. Assume that the data are rounded to the nearest whole number.

In the following table,

Percentiles divide a distribution into ________.

Quartiles divide a distribution into four equal parts.

Quartiles divide a distribution into 10 equal parts.

In the following set of data: (1,3,5,6,7,9,100),what are the first,second,and third quartiles?

A stem-and-leaf display includes the following row: 3 | 0 1 3 5 7 9. Assume that the data are rounded to the nearest whole number. Which of the following statements is true?

A dot plot is an easy way to represent the relationship between two variables.

The "box" in a box plot shows the interquartile range.

A dot plot shows the symmetry of a distribution.

The eighth decile ________.

In a distribution,the second quartile corresponds with the ________.

The 75th percentile is referred to as the ________.

The 67th percentile is ________.

In a scatter diagram,we describe the relationship between ________.

Percentiles divide a distribution into 100 equal parts.

A scatter diagram of sales versus production may be constructed by plotting the minimum,first quartile,median,third quartile,and maximum values of each variable.

In a contingency table,we describe the relationship between ________.

A box plot shows ________.

What Is Statistics

Describing Data: Frequency Tables, Frequency Distributions, and Graphic Presentation

Describing Data: Numerical Measures

A Survey of Probability Concepts

Discrete Probability Distributions

Continuous Probability Distributions

Sampling Methods and the Central Limit Theorem

Estimation and Confidence Intervals

One-Sample Tests of Hypothesis

Two-Sample Tests of Hypothesis

Analysis of Variance

Correlation and Linear Regression

Multiple Regression Analysis

Nonparametric Methods: Nominal Level Hypothesis Tests

Nonparametric Methods: Analysis of Ordinal Data

Index Numbers

Time Series and Forecasting

Statistical Process Control and Quality Management

An Introduction to Decision Theory

Filters

Exam 4: Describing Data: Displaying and Exploring Data

A dot plot shows ________.

A stem-and-leaf display includes the following row: 5 | 10 11 31 52 79 98. Assume that the data are rounded to the nearest whole number.

In the following table,

Percentiles divide a distribution into ________.

Quartiles divide a distribution into four equal parts.

Quartiles divide a distribution into 10 equal parts.

In the following set of data: (1,3,5,6,7,9,100),what are the first,second,and third quartiles?

A stem-and-leaf display includes the following row: 3 | 0 1 3 5 7 9. Assume that the data are rounded to the nearest whole number. Which of the following statements is true?

A dot plot is an easy way to represent the relationship between two variables.

The "box" in a box plot shows the interquartile range.

A dot plot shows the symmetry of a distribution.

The eighth decile ________.

In a distribution,the second quartile corresponds with the ________.

The 75th percentile is referred to as the ________.

The 67th percentile is ________.

In a scatter diagram,we describe the relationship between ________.

Percentiles divide a distribution into 100 equal parts.

A scatter diagram of sales versus production may be constructed by plotting the minimum,first quartile,median,third quartile,and maximum values of each variable.

In a contingency table,we describe the relationship between ________.

A box plot shows ________.

What Is Statistics

Describing Data: Frequency Tables, Frequency Distributions, and Graphic Presentation

Describing Data: Numerical Measures

A Survey of Probability Concepts

Discrete Probability Distributions

Continuous Probability Distributions

Sampling Methods and the Central Limit Theorem

Estimation and Confidence Intervals

One-Sample Tests of Hypothesis

Two-Sample Tests of Hypothesis

Analysis of Variance

Correlation and Linear Regression

Multiple Regression Analysis

Nonparametric Methods: Nominal Level Hypothesis Tests

Nonparametric Methods: Analysis of Ordinal Data

Index Numbers

Time Series and Forecasting

Statistical Process Control and Quality Management

An Introduction to Decision Theory

Filters