Exam 11: Data Analysis: Frequency Distribution, hypothesis Testing, and Cross-Tabulation

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In a short essay,discuss measures of variability as they are associated with frequencies.Include a discussion of range,variance,and standard deviation.

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In a short essay,discuss measures of location as they are associated with frequencies.Include a discussion of mean,mode,and median to support your answer.

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An alternative hypothesis is a statement of the status quo,one of no difference or no effect.

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A test of the null hypothesis where the alternative hypothesis is not expressed directionally is called a ________ test.

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Standard deviation is the square root of the variance and is expressed in the same units as the data.

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Which of the following is NOT a statistic that is associated with the measures of location of frequency distribution?

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A measure of central tendency given as the value above which half of the values fall and below which half of the values fall is called the ________.

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The ________ is a good measure of location when the variable is inherently categorical or has otherwise been grouped into categories.

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