A) sum of squares divided by N B) the average squared deviation from the mean C) a and b D) neither a nor b A) sum of squares divided by N B) the average squared deviation from the mean C) a and b D) neither a nor b

A) average of the deviations from the mean divided by N. B) average of the squared deviations from the mean. C) sum of the deviations from the mean divided by N. D) sum of the squared deviations from the mean. A) average of the deviations from the mean divided by N. B) average of the squared deviations from the mean. C) sum of the deviations from the mean divided by N. D) sum of the squared deviations from the mean.

Exam 3: Measures of Central Tendency and Variability

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When variables are measured on an ordinal level that departs markedly from interval characteristics,the standard deviation is the best measure of variability.

(True/False)

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Question 81

In practice,the three measures of central tendency will almost always be equal to one another.

(True/False)

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Question 82

The sum of squared deviations from the _ will always be _ the sum of squared deviations around any other value.

(Multiple Choice)

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Question 83

The extent to which scores in a distribution differ is indicated by _____.

(Multiple Choice)

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Question 84

What does the variability of a set of scores refer to?

(Essay)

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Question 85

The variance is the:

(Multiple Choice)

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Question 86

The interquartile range has been criticized because it does not take into account:

(Multiple Choice)

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Question 87

When a quantitative variable is measured on an ordinal level that departs markedly from interval characteristics,the mean is the most meaningful measure of central tendency.

(True/False)

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Question 88

Fill in the following table. What is the median of the distribution or 50^th percentile?

(Essay)

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Question 89

The formula for computing the median is based on the assumption that the median occurs within the real limits of the middle score(s).

(True/False)

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Question 90

A distribution that has a mean of 10 SD of 5 is much more_____than a distribution with a mean of 10 and SD of 2.

(Multiple Choice)

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Question 91

What is the relationship between central tendency and variability?

(Essay)

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Question 92

One problem with the sum of squares as an index of variability is that its size depends not only on the amount of variability among scores,but also on the number of scores (N).

(True/False)

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Question 93

The standard deviation is the positive square root of the sum of squares.

(True/False)

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Question 94

The variance is the

(Multiple Choice)

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Question 95

Measures of _____ indicate the extent to which scores within a set differ from one another.

(Multiple Choice)

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Question 96

The mean,median,and mode are applicable to:

(Multiple Choice)

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Question 97

The median is the point in the distribution of scores that divides the distribution into two equal parts.

(True/False)

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Question 98

Which of the following sets of data is bimodal?

(Multiple Choice)

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Question 99

The best answer to the question,"What value indicates a large standard deviation?" is:

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Question 100

Showing 81 - 100 of 154

When variables are measured on an ordinal level that departs markedly from interval characteristics,the standard deviation is the best measure of variability.

In practice,the three measures of central tendency will almost always be equal to one another.

The sum of squared deviations from the _ will always be _ the sum of squared deviations around any other value.

The extent to which scores in a distribution differ is indicated by _____.

What does the variability of a set of scores refer to?

The variance is the:

The interquartile range has been criticized because it does not take into account:

When a quantitative variable is measured on an ordinal level that departs markedly from interval characteristics,the mean is the most meaningful measure of central tendency.

Fill in the following table. What is the median of the distribution or 50^th percentile?

The formula for computing the median is based on the assumption that the median occurs within the real limits of the middle score(s).

A distribution that has a mean of 10 SD of 5 is much more_____than a distribution with a mean of 10 and SD of 2.

What is the relationship between central tendency and variability?

One problem with the sum of squares as an index of variability is that its size depends not only on the amount of variability among scores,but also on the number of scores (N).

The standard deviation is the positive square root of the sum of squares.

The variance is the

Measures of _____ indicate the extent to which scores within a set differ from one another.

The mean,median,and mode are applicable to:

The median is the point in the distribution of scores that divides the distribution into two equal parts.

Which of the following sets of data is bimodal?

The best answer to the question,"What value indicates a large standard deviation?" is:

Introduction and Mathematical Preliminaries

Frequency and Probability Distributions

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

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Exam 3: Measures of Central Tendency and Variability

When variables are measured on an ordinal level that departs markedly from interval characteristics,the standard deviation is the best measure of variability.

In practice,the three measures of central tendency will almost always be equal to one another.

The sum of squared deviations from the _____ will always be _____ the sum of squared deviations around any other value.

The extent to which scores in a distribution differ is indicated by _____.

What does the variability of a set of scores refer to?

The variance is the:

The interquartile range has been criticized because it does not take into account:

When a quantitative variable is measured on an ordinal level that departs markedly from interval characteristics,the mean is the most meaningful measure of central tendency.

Fill in the following table. What is the median of the distribution or 50th percentile?

The formula for computing the median is based on the assumption that the median occurs within the real limits of the middle score(s).

A distribution that has a mean of 10 SD of 5 is much more_____than a distribution with a mean of 10 and SD of 2.

What is the relationship between central tendency and variability?

One problem with the sum of squares as an index of variability is that its size depends not only on the amount of variability among scores,but also on the number of scores (N).

The standard deviation is the positive square root of the sum of squares.

The variance is the

Measures of _____ indicate the extent to which scores within a set differ from one another.

The mean,median,and mode are applicable to:

The median is the point in the distribution of scores that divides the distribution into two equal parts.

Which of the following sets of data is bimodal?

The best answer to the question,"What value indicates a large standard deviation?" is:

Introduction and Mathematical Preliminaries

Frequency and Probability Distributions

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

The sum of squared deviations from the _ will always be _ the sum of squared deviations around any other value.

Fill in the following table. What is the median of the distribution or 50^th percentile?