Question 1

When the potential values for a qualitative or discrete variable are such that a person can have one and only one score,the score values are said to be

Accepted Answer

A) mutually exclusive. 
B) exhaustive. 
C) infinite. 
D) exact. 
A) mutually exclusive. 
B) exhaustive. 
C) infinite. 
D) exact.

Question 2

All distributions in the family of _____ distributions are symmetrical and characterized by a "bell shape."

Accepted Answer

A) empirical 
B) theoretical 
C) actual 
D) normal 
A) empirical 
B) theoretical 
C) actual 
D) normal

Question 3

A(n)_____ is a case or a set of cases that shows a very extreme score relative to the majority of cases in the data set.

Accepted Answer

A) outlier 
B) anomaly 
C) residual 
D) deviant case 
A) outlier 
B) anomaly 
C) residual 
D) deviant case

Question 4

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 5

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

Accepted Answer

A) True 
 B)False

Question 6

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

Accepted Answer

A) True 
 B)False

Question 7

Frequency histograms and frequency polygons can be constructed for grouped as well as ungrouped scores.

Accepted Answer

A) True 
 B)False

Question 8

The Human resource department wants to determine the frequency of sick days for 8 employees' that make up their department.Below is their data  
What is the cumulative frequency for being sick 7 days?

Accepted Answer

A) 8 
B) 5 
C) 1.00 
D) 3.00 
A) 8 
B) 5 
C) 1.00 
D) 3.00

Question 9

In a frequency histogram,the horizontal dimension is called the _____,and the vertical dimension is called the _____.

Accepted Answer

A) X axis;Y axis 
B) abscissa;ordinate 
C) ordinate;abscissa 
D) a and b 
A) X axis;Y axis 
B) abscissa;ordinate 
C) ordinate;abscissa 
D) a and b

Question 10

If the relative frequency for the number of times students skip class per a semester is .10 then ____________________ percent miss class.

Accepted Answer

The answer of If the relative frequency for the number...

Question 11

All distributions in the family of normal distributions are symmetrical and are characterized by a "bell shape."

Accepted Answer

A) True 
 B)False

Question 12

Graphs can sometime be constructed to mislead the public.

Accepted Answer

A) True 
 B)False

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

Empirical and theoretical distributions refer to actual measurements collected in the real world.

Accepted Answer

A) True 
 B)False

Question 15

Frequency polygons are the same think as a bar graph.

Accepted Answer

A) True 
 B)False

Question 16

If the cumulative frequency for the score of 8 sick days is 10 the cumulative relative frequency for this score is ____________________ (note N=90).
or

Accepted Answer

The answer of If the cumulative frequency for the score...

Question 17

In a stem and leaf plot of IQ scores,the digits representing the number of "hundreds" and "tens" are the _____.

Accepted Answer

A) leaf 
B) base 
C) stem 
D) base and stem 
A) leaf 
B) base 
C) stem 
D) base and stem

Question 18

Relative frequency is the_____.

Accepted Answer

A) Proportion of scores that occur in the distributions set divided by N 
B) The proportion of scores that occur at a particular score or lower than this score 
C) The proportion of all scores in the distribution 
D) None of these 
A) Proportion of scores that occur in the distributions set divided by N 
B) The proportion of scores that occur at a particular score or lower than this score 
C) The proportion of all scores in the distribution 
D) None of these

Question 19

A major difference between bar graphs and histograms is that _____.

Accepted Answer

A) bar graphs exhibit only discrete data 
B) histograms use qualitative data 
C) bar graphs separate the bars 
D) histograms separate the bars 
A) bar graphs exhibit only discrete data 
B) histograms use qualitative data 
C) bar graphs separate the bars 
D) histograms separate the bars

Question 20

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

Accepted Answer

A) True 
 B)False

When the potential values for a qualitative or discrete variable are such that a person can have one and only one score,the score values are said to be

All distributions in the family of _____ distributions are symmetrical and characterized by a "bell shape."

A(n)_____ is a case or a set of cases that shows a very extreme score relative to the majority of cases in the data set.

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

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

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

Frequency histograms and frequency polygons can be constructed for grouped as well as ungrouped scores.

The Human resource department wants to determine the frequency of sick days for 8 employees' that make up their department.Below is their data What is the cumulative frequency for being sick 7 days?

In a frequency histogram,the horizontal dimension is called the _,and the vertical dimension is called the _.

If the relative frequency for the number of times students skip class per a semester is .10 then ____________________ percent miss class.

All distributions in the family of normal distributions are symmetrical and are characterized by a "bell shape."

Graphs can sometime be constructed to mislead the public.

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

Empirical and theoretical distributions refer to actual measurements collected in the real world.

Frequency polygons are the same think as a bar graph.

If the cumulative frequency for the score of 8 sick days is 10 the cumulative relative frequency for this score is ____________________ (note N=90). or

In a stem and leaf plot of IQ scores,the digits representing the number of "hundreds" and "tens" are the _____.

Relative frequency is the_____.

A major difference between bar graphs and histograms is that _____.

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

Introduction and Mathematical Preliminaries

Percentiles percentile Ranks standard Scores and the Normal Distribution

Pearson Correlation and Regression: Descriptive Aspects

Measures of Central Tendency and Variability

Estimation and Sampling Distributions

Hypothesis Testing: Inferences About a Single Mean

Probability

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

When the potential values for a qualitative or discrete variable are such that a person can have one and only one score,the score values are said to be

All distributions in the family of _____ distributions are symmetrical and characterized by a "bell shape."

A(n)_____ is a case or a set of cases that shows a very extreme score relative to the majority of cases in the data set.

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

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

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

Frequency histograms and frequency polygons can be constructed for grouped as well as ungrouped scores.

The Human resource department wants to determine the frequency of sick days for 8 employees' that make up their department.Below is their data What is the cumulative frequency for being sick 7 days?

In a frequency histogram,the horizontal dimension is called the _____,and the vertical dimension is called the _____.

If the relative frequency for the number of times students skip class per a semester is .10 then ____________________ percent miss class.

All distributions in the family of normal distributions are symmetrical and are characterized by a "bell shape."

Graphs can sometime be constructed to mislead the public.

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

Empirical and theoretical distributions refer to actual measurements collected in the real world.

Frequency polygons are the same think as a bar graph.

If the cumulative frequency for the score of 8 sick days is 10 the cumulative relative frequency for this score is ____________________ (note N=90). or

In a stem and leaf plot of IQ scores,the digits representing the number of "hundreds" and "tens" are the _____.

Relative frequency is the_____.

A major difference between bar graphs and histograms is that _____.

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

Introduction and Mathematical Preliminaries

Percentiles percentile Ranks standard Scores and the Normal Distribution

Pearson Correlation and Regression: Descriptive Aspects

Measures of Central Tendency and Variability

Estimation and Sampling Distributions

Hypothesis Testing: Inferences About a Single Mean

Probability

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

In a frequency histogram,the horizontal dimension is called the _,and the vertical dimension is called the _.