Exam 2: Frequency and Probability Distributions

The concepts of cumulative frequencies,cumulative relative frequencies,and cumulative percentages are not applicable to frequency distributions for qualitative variables.

(True/False)

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Question 41

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

(True/False)

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Question 42

A relative frequency is:

(Multiple Choice)

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Question 43

The relative frequencies in a distribution will always sum to:

(Multiple Choice)

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Question 44

A frequency distribution for qualitative variables would include all but which of the following?

(Multiple Choice)

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Question 45

At what point do we begin the lowest interval in a grouped frequency distribution?

(Essay)

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Question 46

When we are concerned with a continuous variable,such as the degree of hyperactivity,frequencies and relative frequencies should be thought of in terms of the _____ of the scores.

(Multiple Choice)

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Question 47

The relative frequency indicates the ____________________scores appear in the data set.

(Short Answer)

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Question 48

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

(True/False)

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Question 49

Considered alone,an index of frequency is always meaningful.

(True/False)

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Question 50

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

(True/False)

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Question 51

Dr.Jones is studying the effects of caffeine on recall.She has collected data from 20 students.needs a.Calculate the relative frequency,cumulative frequency and cumulative relative frequency for the distribution. b.What is the relative frequency associated with a score of 9 on the recall test? c.What is the cumulative relative frequency associated with a score of 6? d.What is the cumulative frequency for the score of 3? e.Now draw a frequency histogram of the data set above.

(Essay)

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Question 52

If measuring reaction times of subjects on a task,which is a continuous variable,on the x-axis should have_____.

(Multiple Choice)

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Question 53

Dr.Jones is studying recall for a list of 25 words.His numbers are as follows 10,7,8,9,10,9,8,12 etc.How should he organize his data so it makes sense?

(Multiple Choice)

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Question 54

In frequency distributions for qualitative variables,the concepts of cumulative frequencies,cumulative relative frequencies,and cumulative percentages:

(Multiple Choice)

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Question 55

Below is a frequency distribution of the number of days absent from school in a group of 25 fifth-grade students. What is the cumulative frequency for a score of 5?

(Multiple Choice)

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Question 56

The stem plot graph is used for_____.

(Multiple Choice)

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Question 57

Bar graphs are used to present_____.

(Multiple Choice)

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Question 58

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

(Multiple Choice)

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Question 59

The vertical dimension of a frequency histogram is called _____.

(Multiple Choice)

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Question 60

Showing 41 - 60 of 150

The concepts of cumulative frequencies,cumulative relative frequencies,and cumulative percentages are not applicable to frequency distributions for qualitative variables.

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

A relative frequency is:

The relative frequencies in a distribution will always sum to:

A frequency distribution for qualitative variables would include all but which of the following?

At what point do we begin the lowest interval in a grouped frequency distribution?

When we are concerned with a continuous variable,such as the degree of hyperactivity,frequencies and relative frequencies should be thought of in terms of the _____ of the scores.

The relative frequency indicates the ____________________scores appear in the data set.

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

Considered alone,an index of frequency is always meaningful.

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

If measuring reaction times of subjects on a task,which is a continuous variable,on the x-axis should have_____.

Dr.Jones is studying recall for a list of 25 words.His numbers are as follows 10,7,8,9,10,9,8,12 etc.How should he organize his data so it makes sense?

In frequency distributions for qualitative variables,the concepts of cumulative frequencies,cumulative relative frequencies,and cumulative percentages:

Below is a frequency distribution of the number of days absent from school in a group of 25 fifth-grade students. What is the cumulative frequency for a score of 5?

The stem plot graph is used for_____.

Bar graphs are used to present_____.

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

The vertical dimension of a frequency histogram is called _____.

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

The concepts of cumulative frequencies,cumulative relative frequencies,and cumulative percentages are not applicable to frequency distributions for qualitative variables.

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

A relative frequency is:

The relative frequencies in a distribution will always sum to:

A frequency distribution for qualitative variables would include all but which of the following?

At what point do we begin the lowest interval in a grouped frequency distribution?

When we are concerned with a continuous variable,such as the degree of hyperactivity,frequencies and relative frequencies should be thought of in terms of the _____ of the scores.

The relative frequency indicates the ____________________scores appear in the data set.

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

Considered alone,an index of frequency is always meaningful.

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

If measuring reaction times of subjects on a task,which is a continuous variable,on the x-axis should have_____.

Dr.Jones is studying recall for a list of 25 words.His numbers are as follows 10,7,8,9,10,9,8,12 etc.How should he organize his data so it makes sense?

In frequency distributions for qualitative variables,the concepts of cumulative frequencies,cumulative relative frequencies,and cumulative percentages:

Below is a frequency distribution of the number of days absent from school in a group of 25 fifth-grade students. What is the cumulative frequency for a score of 5?

The stem plot graph is used for_____.

Bar graphs are used to present_____.

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

The vertical dimension of a frequency histogram is called _____.

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