Exam 3: Measures of Central Tendency and Variability

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The interquartile range is the difference between the highest and lowest scores after the top 75% of the scores and the bottom 75% of the scores have been eliminated from the data.

(True/False)

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Question 121

A ____________________is more peaked and has less variability.

(Short Answer)

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Question 122

The sum of squares takes into account all of the scores in a data set.

(True/False)

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Question 123

Use of Greek notation implies that the parameters describe ____ characteristics.

(Multiple Choice)

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Question 124

The measure of central tendency not affected by extreme scores is the____________________.

(Short Answer)

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Question 125

How would you describe the relationship between the mean,median,and the mode in a positively skewed distribution?

(Multiple Choice)

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Question 126

The symbol used for the population variance is _ and the symbol used for the population standard deviation is _.

(Multiple Choice)

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Question 127

The mode of a distribution of scores:

(Multiple Choice)

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Question 128

If you subtract the mean from each score in a distribution,you would obtain a set of _____.

(Multiple Choice)

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Question 129

Distributions of scores can have:

(Multiple Choice)

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Question 130

Central tendency refers to the "average" score in a set of scores.

(True/False)

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Question 131

In positively skewed distributions,most scores occur _ the mean and only a relatively few extreme scores occur _ it.

(Multiple Choice)

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Question 132

Most of the inferential statistics used by behavioral scientists make use of the median as a measure of central tendency.

(True/False)

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Question 133

The measure of Central tendency most commonly reported is the mean.

(True/False)

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Question 134

Compute the sum of squares for the following data set: 2,2,3,6,9,13,14.

(Multiple Choice)

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Question 135

In real estate the Median house price is reported rather than the mean because_____.

(Multiple Choice)

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Question 136

Across all individuals,scores will always be closest to the mode than any other index of central tendency.

(True/False)

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Question 137

Skewness refers to the tendency for scores to cluster on one side of the mean.

(True/False)

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Question 138

In APA journal articles the results sections usually report the _and_of the data set.

(Multiple Choice)

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Question 139

Kurtosis refers to the flatness or peakedness of one distribution relative to another.

(True/False)

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Question 140

Showing 121 - 140 of 154

The interquartile range is the difference between the highest and lowest scores after the top 75% of the scores and the bottom 75% of the scores have been eliminated from the data.

A ____________________is more peaked and has less variability.

The sum of squares takes into account all of the scores in a data set.

Use of Greek notation implies that the parameters describe ____ characteristics.

The measure of central tendency not affected by extreme scores is the____________________.

How would you describe the relationship between the mean,median,and the mode in a positively skewed distribution?

The symbol used for the population variance is _ and the symbol used for the population standard deviation is _.

The mode of a distribution of scores:

If you subtract the mean from each score in a distribution,you would obtain a set of _____.

Distributions of scores can have:

Central tendency refers to the "average" score in a set of scores.

In positively skewed distributions,most scores occur _ the mean and only a relatively few extreme scores occur _ it.

Most of the inferential statistics used by behavioral scientists make use of the median as a measure of central tendency.

The measure of Central tendency most commonly reported is the mean.

Compute the sum of squares for the following data set: 2,2,3,6,9,13,14.

In real estate the Median house price is reported rather than the mean because_____.

Across all individuals,scores will always be closest to the mode than any other index of central tendency.

Skewness refers to the tendency for scores to cluster on one side of the mean.

In APA journal articles the results sections usually report the _and_of the data set.

Kurtosis refers to the flatness or peakedness of one distribution relative to another.

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

Exam 3: Measures of Central Tendency and Variability

The interquartile range is the difference between the highest and lowest scores after the top 75% of the scores and the bottom 75% of the scores have been eliminated from the data.

A ____________________is more peaked and has less variability.

The sum of squares takes into account all of the scores in a data set.

Use of Greek notation implies that the parameters describe ____ characteristics.

The measure of central tendency not affected by extreme scores is the____________________.

How would you describe the relationship between the mean,median,and the mode in a positively skewed distribution?

The symbol used for the population variance is _____ and the symbol used for the population standard deviation is _____.

The mode of a distribution of scores:

If you subtract the mean from each score in a distribution,you would obtain a set of _____.

Distributions of scores can have:

Central tendency refers to the "average" score in a set of scores.

In positively skewed distributions,most scores occur _____ the mean and only a relatively few extreme scores occur _____ it.

Most of the inferential statistics used by behavioral scientists make use of the median as a measure of central tendency.

The measure of Central tendency most commonly reported is the mean.

Compute the sum of squares for the following data set: 2,2,3,6,9,13,14.

In real estate the Median house price is reported rather than the mean because_____.

Across all individuals,scores will always be closest to the mode than any other index of central tendency.

Skewness refers to the tendency for scores to cluster on one side of the mean.

In APA journal articles the results sections usually report the _____and_____of the data set.

Kurtosis refers to the flatness or peakedness of one distribution relative to another.

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 symbol used for the population variance is _ and the symbol used for the population standard deviation is _.

In positively skewed distributions,most scores occur _ the mean and only a relatively few extreme scores occur _ it.

In APA journal articles the results sections usually report the _and_of the data set.