Question 1

Bar graphs are used to represent data that is quantitative in nature.

Accepted Answer

A) True 
 B)False

Question 2

The conventional starting point for beginning the lowest interval in a grouped frequency distribution is 0.

Accepted Answer

A) True 
 B)False

Question 3

We graph qualitative data the same way quantitative data is graphed.

Accepted Answer

A) True 
 B)False

Question 4

Briefly describe what a frequency distribution is and how to construct one.

Accepted Answer

A frequency distribution is a table that

Question 5

A probability density function ______.

Accepted Answer

A) can be graphically represented as a bar graph 
B) can be used only to represent variables that are measured on a ratio curve 
C) is a smooth curve including all possible values of a continuous variable 
D) is always bell-shaped 
A) can be graphically represented as a bar graph 
B) can be used only to represent variables that are measured on a ratio curve 
C) is a smooth curve including all possible values of a continuous variable 
D) is always bell-shaped

Question 6

When the potential values for a qualitative or discrete variable are _____ and _____,then the probabilities associated with the individual score values will represent a probability distribution with respect to that variable.

Accepted Answer

A) mutually exclusive;exhaustive 
B) mutually exclusive;nonexhaustive 
C) nominal;cumulative 
D) normally distributed;exhaustive 
A) mutually exclusive;exhaustive 
B) mutually exclusive;nonexhaustive 
C) nominal;cumulative 
D) normally distributed;exhaustive

Question 7

Frequency polygons are typically used only when the variables being reported are discrete in nature.

Accepted Answer

A) True 
 B)False

Question 8

A useful tool for summarizing a large set of data is a _____.

Accepted Answer

A) qualitative distribution 
B) frequency distribution 
C) descriptive distribution 
D) all of these 
A) qualitative distribution 
B) frequency distribution 
C) descriptive distribution 
D) all of these

Question 9

In a histogram,the horizontal bar denotes the _____,and the vertical bar denotes the ______.

Accepted Answer

A) frequencies;ordinate 
B) variable values;frequencies 
C) abscissa;variable values 
D) frequencies;variable values 
A) frequencies;ordinate 
B) variable values;frequencies 
C) abscissa;variable values 
D) frequencies;variable values

Question 10

A frequency distribution is a table that lists _____ on a variable and shows the number of individuals who obtained each _____.

Accepted Answer

A) scores;value 
B) classes;frequencies 
C) frequencies;class 
D) scores;frequency 
A) scores;value 
B) classes;frequencies 
C) frequencies;class 
D) scores;frequency

Question 11

_____distributions are based on actual measurements collected in the real world,while _____ distributions are constructed by making assumptions and representing these assumptions mathematically.

Accepted Answer

A) Normal;empirical 
B) Empirical;theoretical 
C) Theoretical;empirical 
D) Normal;theoretical 
A) Normal;empirical 
B) Empirical;theoretical 
C) Theoretical;empirical 
D) Normal;theoretical

Question 12

Distinguish between empirical distributions and theoretical distributions.

Accepted Answer

Empirical distributions are based on act

Question 13

Which of the following graphs is "closed" with the abscissa?

Accepted Answer

A) line plot 
B) frequency polygon 
C) histogram 
D) polygon 
A) line plot 
B) frequency polygon 
C) histogram 
D) polygon

Question 14

When grouping data in a frequency distribution the interval size should always be 6.

Accepted Answer

A) True 
 B)False

Question 15

If the range of scores in a distribution were equal to 48 and you placed the scores within ten groups,what interval size should be used?

Accepted Answer

A) 4.8 
B) 5.0 
C) 10 
D) 4.0 
A) 4.8 
B) 5.0 
C) 10 
D) 4.0

Question 16

The stem plot graph is used for_____.

Accepted Answer

A) quantitative 
B) qualitative 
C) normally distributed data only 
D) none of the above 
A) quantitative 
B) qualitative 
C) normally distributed data only 
D) none of the above

Question 17

The number of times that a score occurs divided by the total number of scores is termed a(n)_____.

Accepted Answer

A) relative frequency 
B) cumulative frequency 
C) probability density 
D) average distribution 
A) relative frequency 
B) cumulative frequency 
C) probability density 
D) average distribution

Question 18

How does a frequency polygon differ from a frequency histogram?

Accepted Answer

A frequency polygon is similar to a freq

Question 19

Refer to the following distribution  
What is the relative frequency associated with a score of 9?

Accepted Answer

A) .15 
B) .30 
C) .45 
D) 3 
A) .15 
B) .30 
C) .45 
D) 3

Question 20

The vertical dimension of a frequency histogram is called _____.

Accepted Answer

A) an ordinate 
B) an X axis 
C) an abscissa 
D) none of these 
A) an ordinate 
B) an X axis 
C) an abscissa 
D) none of these

Bar graphs are used to represent data that is quantitative in nature.

The conventional starting point for beginning the lowest interval in a grouped frequency distribution is 0.

We graph qualitative data the same way quantitative data is graphed.

Briefly describe what a frequency distribution is and how to construct one.

A probability density function ______.

When the potential values for a qualitative or discrete variable are _ and _,then the probabilities associated with the individual score values will represent a probability distribution with respect to that variable.

Frequency polygons are typically used only when the variables being reported are discrete in nature.

A useful tool for summarizing a large set of data is a _____.

In a histogram,the horizontal bar denotes the _,and the vertical bar denotes the __.

A frequency distribution is a table that lists _ on a variable and shows the number of individuals who obtained each _.

_distributions are based on actual measurements collected in the real world,while _ distributions are constructed by making assumptions and representing these assumptions mathematically.

Distinguish between empirical distributions and theoretical distributions.

Which of the following graphs is "closed" with the abscissa?

When grouping data in a frequency distribution the interval size should always be 6.

If the range of scores in a distribution were equal to 48 and you placed the scores within ten groups,what interval size should be used?

The stem plot graph is used for_____.

The number of times that a score occurs divided by the total number of scores is termed a(n)_____.

How does a frequency polygon differ from a frequency histogram?

Refer to the following distribution What is the relative frequency associated with a score of 9?

The vertical dimension of a frequency histogram is called _____.

Introduction and Mathematical Preliminaries

Measures of Central Tendency and Variability

Percentiles,percentile Ranks,standard Scores,and the Normal Distribution

Pearson Correlation and Regression: Descriptive Aspects

Probability

Estimation and Sampling Distributions

Hypothesis Testing: Inferences About a Single Mean

Principles of Research Design and Statistical Preliminaries for Analyzing Bivariate Relationships

Independent Groups T-Test

Correlated Groups T-Test

One-Way Repeated Measures Analysis of Variance

Pearson Correlation and Regression: Inferential Aspects

Chi-Square Test

Nonparametric Statistics

Two-Way Between-Subjects Analysis of Variance

Overview and Extension: Statistical Tests for More Complex Designs

Filters

Exam 2: Frequency and Probability Distributions

Bar graphs are used to represent data that is quantitative in nature.

The conventional starting point for beginning the lowest interval in a grouped frequency distribution is 0.

We graph qualitative data the same way quantitative data is graphed.

Briefly describe what a frequency distribution is and how to construct one.

A probability density function ______.

When the potential values for a qualitative or discrete variable are _____ and _____,then the probabilities associated with the individual score values will represent a probability distribution with respect to that variable.

Frequency polygons are typically used only when the variables being reported are discrete in nature.

A useful tool for summarizing a large set of data is a _____.

In a histogram,the horizontal bar denotes the _____,and the vertical bar denotes the ______.

A frequency distribution is a table that lists _____ on a variable and shows the number of individuals who obtained each _____.

_____distributions are based on actual measurements collected in the real world,while _____ distributions are constructed by making assumptions and representing these assumptions mathematically.

Distinguish between empirical distributions and theoretical distributions.

Which of the following graphs is "closed" with the abscissa?

When grouping data in a frequency distribution the interval size should always be 6.

If the range of scores in a distribution were equal to 48 and you placed the scores within ten groups,what interval size should be used?

The stem plot graph is used for_____.

The number of times that a score occurs divided by the total number of scores is termed a(n)_____.

How does a frequency polygon differ from a frequency histogram?

Refer to the following distribution What is the relative frequency associated with a score of 9?

The vertical dimension of a frequency histogram is called _____.

Introduction and Mathematical Preliminaries

Measures of Central Tendency and Variability

Percentiles,percentile Ranks,standard Scores,and the Normal Distribution

Pearson Correlation and Regression: Descriptive Aspects

Probability

Estimation and Sampling Distributions

Hypothesis Testing: Inferences About a Single Mean

Principles of Research Design and Statistical Preliminaries for Analyzing Bivariate Relationships

Independent Groups T-Test

Correlated Groups T-Test

One-Way Repeated Measures Analysis of Variance

Pearson Correlation and Regression: Inferential Aspects

Chi-Square Test

Nonparametric Statistics

Two-Way Between-Subjects Analysis of Variance

Overview and Extension: Statistical Tests for More Complex Designs

Filters

When the potential values for a qualitative or discrete variable are _ and _,then the probabilities associated with the individual score values will represent a probability distribution with respect to that variable.

In a histogram,the horizontal bar denotes the _,and the vertical bar denotes the __.

A frequency distribution is a table that lists _ on a variable and shows the number of individuals who obtained each _.

_distributions are based on actual measurements collected in the real world,while _ distributions are constructed by making assumptions and representing these assumptions mathematically.