Question 1

The concept of a probability density function is used with a

Accepted Answer

A) qualitative variable. 
B) nominal variable. 
C) continuous variable. 
D) none of the above 
A) qualitative variable. 
B) nominal variable. 
C) continuous variable. 
D) none of the above

Question 2

For any given score,the cumulative frequency is the frequency associated with that score plus the sum of:

Accepted Answer

A) all frequencies 
B) all frequencies above that score 
C) all frequencies below that score 
D) all frequencies except for that score 
A) all frequencies 
B) all frequencies above that score 
C) all frequencies below that score 
D) all frequencies except for that score

Question 3

To produce a probability distribution of some variable,that variable must have the properties of being _____ and ______.

Accepted Answer

A) continuous;inclusive 
B) mutually inclusive;discrete 
C) exhaustive;inclusive 
D) mutually exclusive;exhaustive 
A) continuous;inclusive 
B) mutually inclusive;discrete 
C) exhaustive;inclusive 
D) mutually exclusive;exhaustive

Question 4

In a cumulative frequency graph,the cumulative frequency curve will always _____ or _____ as it moves from left to right.

Accepted Answer

A) be variable;decrease 
B) remain level;increase 
C) increase;decrease 
D) remain level;decrease 
A) be variable;decrease 
B) remain level;increase 
C) increase;decrease 
D) remain level;decrease

Question 5

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

Accepted Answer

A) True 
 B)False

Question 6

A line plot is a type of stem and leaf plot.

Accepted Answer

A) True 
 B)False

Question 7

Frequency histograms are typically used only when the variables being reported are continuous in nature.

Accepted Answer

A) True 
 B)False

Question 8

A Interval size that would be appropriate for test scores ranging from high 90 to lowest 50 would be ____________________.

Accepted Answer

The answer of A Interval size that would be appropriate...

Question 9

The x-axis is called the____________________.

Accepted Answer

The answer of The x-axis is called the____________________....

Question 10

Typically,interval sizes of 2,3,or multiples of 5 are used in grouped frequency distributions.

Accepted Answer

A) True 
 B)False

Question 11

The x-axis is reserved for the _____variable and the y-axis is where the _____ variable is found.

Accepted Answer

A) independent;dependent 
B) dependent;independent 
C) quantitative;qualitative 
D) None of the above 
A) independent;dependent 
B) dependent;independent 
C) quantitative;qualitative 
D) None of the above

Question 12

Cumulative frequencies and cumulative relative frequencies are conceptualized with
respect to the lower real limit of a score.

Accepted Answer

A) True 
 B)False

Question 13

The horizontal dimension of a frequency histogram is called a(n)_____.

Accepted Answer

A) abscissa 
B) Y axis 
C) ordinate 
D) frequency line 
A) abscissa 
B) Y axis 
C) ordinate 
D) frequency line

Question 14

Given a distribution of scores,the probability of randomly selecting a given score from that distribution equals the _____ of that score.

Accepted Answer

A) cumulative frequency 
B) cumulative relative frequency 
C) frequency 
D) relative frequency 
A) cumulative frequency 
B) cumulative relative frequency 
C) frequency 
D) relative frequency

Question 15

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 16

Below is a frequency distribution of the number of days absent from school in a group of 25 fifth-grade students.  
What proportion of students were absent for 3 or less days?

Accepted Answer

A) .08 
B) .40 
C) .48 
D) .60 
A) .08 
B) .40 
C) .48 
D) .60

Question 17

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

Accepted Answer

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

Question 18

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 19

Frequency graphs typically plot the frequency of a score along the _____.

Accepted Answer

A) abscissa 
B) ordinate 
C) X axis 
D) all of these 
A) abscissa 
B) ordinate 
C) X axis 
D) all of these

Question 20

A frequency polygon is similar to a frequency histogram and uses the same ordinate and abscissa.

Accepted Answer

A) True 
 B)False

The concept of a probability density function is used with a

For any given score,the cumulative frequency is the frequency associated with that score plus the sum of:

To produce a probability distribution of some variable,that variable must have the properties of being _ and __.

In a cumulative frequency graph,the cumulative frequency curve will always _ or _ as it moves from left to right.

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

A line plot is a type of stem and leaf plot.

Frequency histograms are typically used only when the variables being reported are continuous in nature.

A Interval size that would be appropriate for test scores ranging from high 90 to lowest 50 would be ____________________.

The x-axis is called the____________________.

Typically,interval sizes of 2,3,or multiples of 5 are used in grouped frequency distributions.

The x-axis is reserved for the _variable and the y-axis is where the _ variable is found.

Cumulative frequencies and cumulative relative frequencies are conceptualized with respect to the lower real limit of a score.

The horizontal dimension of a frequency histogram is called a(n)_____.

Given a distribution of scores,the probability of randomly selecting a given score from that distribution equals the _____ of that score.

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

Below is a frequency distribution of the number of days absent from school in a group of 25 fifth-grade students. What proportion of students were absent for 3 or less days?

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

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.

Frequency graphs typically plot the frequency of a score along the _____.

A frequency polygon is similar to a frequency histogram and uses the same ordinate and abscissa.

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

The concept of a probability density function is used with a

For any given score,the cumulative frequency is the frequency associated with that score plus the sum of:

To produce a probability distribution of some variable,that variable must have the properties of being _____ and ______.

In a cumulative frequency graph,the cumulative frequency curve will always _____ or _____ as it moves from left to right.

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

A line plot is a type of stem and leaf plot.

Frequency histograms are typically used only when the variables being reported are continuous in nature.

A Interval size that would be appropriate for test scores ranging from high 90 to lowest 50 would be ____________________.

The x-axis is called the____________________.

Typically,interval sizes of 2,3,or multiples of 5 are used in grouped frequency distributions.

The x-axis is reserved for the _____variable and the y-axis is where the _____ variable is found.

Cumulative frequencies and cumulative relative frequencies are conceptualized with respect to the lower real limit of a score.

The horizontal dimension of a frequency histogram is called a(n)_____.

Given a distribution of scores,the probability of randomly selecting a given score from that distribution equals the _____ of that score.

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

Below is a frequency distribution of the number of days absent from school in a group of 25 fifth-grade students. What proportion of students were absent for 3 or less days?

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

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.

Frequency graphs typically plot the frequency of a score along the _____.

A frequency polygon is similar to a frequency histogram and uses the same ordinate and abscissa.

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

To produce a probability distribution of some variable,that variable must have the properties of being _ and __.

In a cumulative frequency graph,the cumulative frequency curve will always _ or _ as it moves from left to right.

The x-axis is reserved for the _variable and the y-axis is where the _ variable is found.