Question 1

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

Accepted Answer

A) True 
 B)False

Question 2

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 3

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 4

The percentile rank of a score is the percentage of scores with values that fall below a specified score in a distribution.

Accepted Answer

A) True 
 B)False

Question 5

Ungrouped data can be distributed as

Accepted Answer

A) intervals 
B) categories 
C) upper and lower boundaries 
D) all of the above 
A) intervals 
B) categories 
C) upper and lower boundaries 
D) all of the above

Question 6

A researcher summarizes a set of frequency data into five intervals.This is an example of a frequency distribution for

Accepted Answer

A) ungrouped data 
B) grouped data 
C) inferential statistics 
D) population parameters 
A) ungrouped data 
B) grouped data 
C) inferential statistics 
D) population parameters

Question 7

The sum of the frequencies for a distribution is 100.This means that fewer than 100 persons were counted.

Accepted Answer

A) True 
 B)False

Question 8

A histogram is used to summarize grouped data.

Accepted Answer

A) True 
 B)False

Question 9

Relative frequencies sum to the total frequency count.

Accepted Answer

A) True 
 B)False

Question 10

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

Accepted Answer

A) True 
 B)False

Question 11

A simple frequency distribution

Accepted Answer

A) can be used to summarize grouped data 
B) can be used to summarize ungrouped data 
C) summarizes the frequency of scores in a given category or range 
D) all of the above 
A) can be used to summarize grouped data 
B) can be used to summarize ungrouped data 
C) summarizes the frequency of scores in a given category or range 
D) all of the above

Question 12

State the problem with this simple frequency distribution.

Accepted Answer

A) The interval width is too small. 
B) The interval width is unequal. 
C) The class intervals overlap. 
D) The number of intervals is too small. 
A) The interval width is too small. 
B) The interval width is unequal. 
C) The class intervals overlap. 
D) The number of intervals is too small.

Question 13

Summarizing data in a table or graph can make it easier to see patterns in the data.

Accepted Answer

A) True 
 B)False

Question 14

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 15

Grouped data can be distributed

Accepted Answer

A) as a range of values 
B) with upper and lower boundaries 
C) into intervals 
D) all of the above 
A) as a range of values 
B) with upper and lower boundaries 
C) into intervals 
D) all of the above

Question 16

To determine the interval width,we divide the ________ by the number of intervals.

Accepted Answer

A) observed range 
B) exclusive range 
C) real range 
D) all of the above 
A) observed range 
B) exclusive range 
C) real range 
D) all of the above

Question 17

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 18

Fill in the missing values for A and B in this frequency distribution table:

Accepted Answer

A) A = 3.2,B = 13 
B) A = 3.1,B = 14 
C) A = 3.3,B = 13 
D) There is not enough information to complete this table. 
A) A = 3.2,B = 13 
B) A = 3.1,B = 14 
C) A = 3.3,B = 13 
D) There is not enough information to complete this table.

Question 19

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

Accepted Answer

A) True 
 B)False

Question 20

What is the percentile point at the 90th percentile in the following distribution?

Accepted Answer

A) 9 
B) 10 
C) 9.5 
D) 10.5 
A) 9 
B) 10 
C) 9.5 
D) 10.5

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

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

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

The percentile rank of a score is the percentage of scores with values that fall below a specified score in a distribution.

Ungrouped data can be distributed as

A researcher summarizes a set of frequency data into five intervals.This is an example of a frequency distribution for

The sum of the frequencies for a distribution is 100.This means that fewer than 100 persons were counted.

A histogram is used to summarize grouped data.

Relative frequencies sum to the total frequency count.

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

A simple frequency distribution

State the problem with this simple frequency distribution.

Summarizing data in a table or graph can make it easier to see patterns in the data.

To construct a pie chart,first distribute the data as

Grouped data can be distributed

To determine the interval width,we divide the ________ by the number of intervals.

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

Fill in the missing values for A and B in this frequency distribution table:

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

What is the percentile point at the 90^th percentile in the following distribution?

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: Related Samples T Test

Estimation and Confidence Intervals

Analysis of Variance: One-Way Between-Subjects Design

Analysis of Variance: One-Way Within-Subjects Repeated Measures Design

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

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

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

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

The percentile rank of a score is the percentage of scores with values that fall below a specified score in a distribution.

Ungrouped data can be distributed as

A researcher summarizes a set of frequency data into five intervals.This is an example of a frequency distribution for

The sum of the frequencies for a distribution is 100.This means that fewer than 100 persons were counted.

A histogram is used to summarize grouped data.

Relative frequencies sum to the total frequency count.

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

A simple frequency distribution

State the problem with this simple frequency distribution.

Summarizing data in a table or graph can make it easier to see patterns in the data.

To construct a pie chart,first distribute the data as

Grouped data can be distributed

To determine the interval width,we divide the ________ by the number of intervals.

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

Fill in the missing values for A and B in this frequency distribution table:

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

What is the percentile point at the 90th percentile in the following distribution?

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: Related Samples T Test

Estimation and Confidence Intervals

Analysis of Variance: One-Way Between-Subjects Design

Analysis of Variance: One-Way Within-Subjects Repeated Measures Design

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

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

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

What is the percentile point at the 90^th percentile in the following distribution?