Question 1

A percentile point is

Accepted Answer

A)  the value of a score on a measurement scale below which a specified percentage of scores in a distribution falls. 
B)  a summary display that distributes the sum of percentages across a series of intervals. 
C)  an interval with no defined upper or lower boundary. 
D)  the range of values contained in each interval of a grouped frequency distribution. 
A)  the value of a score on a measurement scale below which a specified percentage of scores in a distribution falls. 
B)  a summary display that distributes the sum of percentages across a series of intervals. 
C)  an interval with no defined upper or lower boundary. 
D)  the range of values contained in each interval of a grouped frequency distribution.

Question 2

A relative frequency is typically used with smaller,but not larger,data sets.

Accepted Answer

A) True 
 B)False

Question 3

Grouped data are to ungrouped data as

Accepted Answer

A)  continuous is to discrete. 
B)  qualitative is to quantitative. 
C)  inferential is to descriptive. 
D)  descriptive is to inferential. 
A)  continuous is to discrete. 
B)  qualitative is to quantitative. 
C)  inferential is to descriptive. 
D)  descriptive is to inferential.

Question 4

To construct a pie chart,first distribute the data as

Accepted Answer

A)  cumulative percentages. 
B)  relative percentages. 
C)  cumulative frequencies. 
D)  cumulative relative percentages. 
A)  cumulative percentages. 
B)  relative percentages. 
C)  cumulative frequencies. 
D)  cumulative relative percentages.

Question 5

Grouped data are distributed into ______,whereas ungrouped data are distributed into ______.

Accepted Answer

A)  intervals; statistics 
B)  statistics; intervals 
C)  intervals; categories 
D)  categories; intervals 
A)  intervals; statistics 
B)  statistics; intervals 
C)  intervals; categories 
D)  categories; intervals

Question 6

In a bar chart,each class or category is represented by a rectangle and each rectangle is separated (does not touch)along the x-axis.

Accepted Answer

A) True 
 B)False

Question 7

An open class is permitted when outliers exist in the data.

Accepted Answer

A) True 
 B)False

Question 8

Bar charts are used to summarize discrete and categorical data.

Accepted Answer

A) True 
 B)False

Question 9

A cumulative percentage summary that indicates the percentage of scores at or below a given value is called a

Accepted Answer

A)  relative percentage. 
B)  relative frequency. 
C)  percentile rank. 
D)  cumulative frequency. 
A)  relative percentage. 
B)  relative frequency. 
C)  percentile rank. 
D)  cumulative frequency.

Question 10

The range of scores in each interval of a grouped frequency distribution is called the

Accepted Answer

A)  simple frequency. 
B)  interval width. 
C)  real range. 
D)  grouped data. 
A)  simple frequency. 
B)  interval width. 
C)  real range. 
D)  grouped data.

Question 11

Frequency distributions summarize the average scores in a set of data.

Accepted Answer

A) True 
 B)False

Question 12

A histogram is used to summarize grouped data.

Accepted Answer

A) True 
 B)False

Question 13

A researcher distributes frequencies into the following classes: absent,tardy,present.What type of data are distributed?

Accepted Answer

A)  nominal data 
B)  qualitative data 
C)  ungrouped data 
D)  all of these 
A)  nominal data 
B)  qualitative data 
C)  ungrouped data 
D)  all of these

Question 14

What is the percentile point at the 80th percentile in the following distribution?

Accepted Answer

A)  2 
B)  6 
C)  7 
D)  8 
A)  2 
B)  6 
C)  7 
D)  8

Question 15

A researcher finds that 12 persons in a sample of 60 reported getting between 4 and 6 hr of sleep per night.What is the relative percentage for this interval?

Accepted Answer

A)  24% 
B)  22% 
C)  20% 
D)  There is not enough information to answer this question. 
A)  24% 
B)  22% 
C)  20% 
D)  There is not enough information to answer this question.

Question 16

Frequency distributions can be used to summarize both grouped and ungrouped data.

Accepted Answer

A) True 
 B)False

Question 17

The following frequency distribution is an example of

Accepted Answer

A)  grouped data. 
B)  ungrouped data. 
C)  categorical data. 
D)  ungrouped data and categorical data. 
A)  grouped data. 
B)  ungrouped data. 
C)  categorical data. 
D)  ungrouped data and categorical data.

Question 18

When cumulating frequencies from the top down,the data are discussed in terms of

Accepted Answer

A)  greater than. 
B)  at or above. 
C)  at least. 
D)  all of these. 
A)  greater than. 
B)  at or above. 
C)  at least. 
D)  all of these.

Question 19

A percentile rank is a cumulative percentage distribution summed from the bottom up.

Accepted Answer

A) True 
 B)False

Question 20

Which of the following is a type of graphical display used to summarize qualitative,discrete data?

Accepted Answer

A)  bar chart 
B)  pie chart 
C)  histogram 
D)  both bar chart and pie chart 
A)  bar chart 
B)  pie chart 
C)  histogram 
D)  both bar chart and pie chart

A percentile point is

A relative frequency is typically used with smaller,but not larger,data sets.

Grouped data are to ungrouped data as

To construct a pie chart,first distribute the data as

Grouped data are distributed into ,whereas ungrouped data are distributed into .

In a bar chart,each class or category is represented by a rectangle and each rectangle is separated (does not touch)along the x-axis.

An open class is permitted when outliers exist in the data.

Bar charts are used to summarize discrete and categorical data.

A cumulative percentage summary that indicates the percentage of scores at or below a given value is called a

The range of scores in each interval of a grouped frequency distribution is called the

Frequency distributions summarize the average scores in a set of data.

A histogram is used to summarize grouped data.

A researcher distributes frequencies into the following classes: absent,tardy,present.What type of data are distributed?

What is the percentile point at the 80th percentile in the following distribution?

A researcher finds that 12 persons in a sample of 60 reported getting between 4 and 6 hr of sleep per night.What is the relative percentage for this interval?

Frequency distributions can be used to summarize both grouped and ungrouped data.

The following frequency distribution is an example of

When cumulating frequencies from the top down,the data are discussed in terms of

A percentile rank is a cumulative percentage distribution summed from the bottom up.

Which of the following is a type of graphical display used to summarize qualitative,discrete data?

Introduction to Statistics

Summarizing Data: Central Tendency

Summarizing Data: Variability

Probability

Probability, normal Distributions, and Z Scores

Probability and Sampling Distributions

Hypothesis Testing: Significance,effect Size,and Power

Testing Means: One-Sample and Two-Independent-Sample T Tests

Testing Means: Truehe Related-Samples T Test

Estimation and Confidence Intervals

Analysis of Variance: One-Way Between-Subjects Design

Analysis of Variance: One-Way Within-Subjects Repeated-Measuresdesign

Analysis of Variance: Two-Way Between-Subjects Factorial Design

Correlation

Linear Regression and Multiple Regression

Nonparametric Tests: Chi-Square Tests

Nonparametric Tests: Tests for Ordinal Data

Filters

Exam 2: Summarizing Data: Frequency Distributions in Tables and Graphs

A percentile point is

A relative frequency is typically used with smaller,but not larger,data sets.

Grouped data are to ungrouped data as

To construct a pie chart,first distribute the data as

Grouped data are distributed into ______,whereas ungrouped data are distributed into ______.

In a bar chart,each class or category is represented by a rectangle and each rectangle is separated (does not touch)along the x-axis.

An open class is permitted when outliers exist in the data.

Bar charts are used to summarize discrete and categorical data.

A cumulative percentage summary that indicates the percentage of scores at or below a given value is called a

The range of scores in each interval of a grouped frequency distribution is called the

Frequency distributions summarize the average scores in a set of data.

A histogram is used to summarize grouped data.

A researcher distributes frequencies into the following classes: absent,tardy,present.What type of data are distributed?

What is the percentile point at the 80th percentile in the following distribution?

A researcher finds that 12 persons in a sample of 60 reported getting between 4 and 6 hr of sleep per night.What is the relative percentage for this interval?

Frequency distributions can be used to summarize both grouped and ungrouped data.

The following frequency distribution is an example of

When cumulating frequencies from the top down,the data are discussed in terms of

A percentile rank is a cumulative percentage distribution summed from the bottom up.

Which of the following is a type of graphical display used to summarize qualitative,discrete data?

Introduction to Statistics

Summarizing Data: Central Tendency

Summarizing Data: Variability

Probability

Probability, normal Distributions, and Z Scores

Probability and Sampling Distributions

Hypothesis Testing: Significance,effect Size,and Power

Testing Means: One-Sample and Two-Independent-Sample T Tests

Testing Means: Truehe Related-Samples T Test

Estimation and Confidence Intervals

Analysis of Variance: One-Way Between-Subjects Design

Analysis of Variance: One-Way Within-Subjects Repeated-Measuresdesign

Analysis of Variance: Two-Way Between-Subjects Factorial Design

Correlation

Linear Regression and Multiple Regression

Nonparametric Tests: Chi-Square Tests

Nonparametric Tests: Tests for Ordinal Data

Filters

Grouped data are distributed into ,whereas ungrouped data are distributed into .