According to the Results of One Survey, 95% of High-School

question 45

Multiple Choice

According to the results of one survey, 95% of high-school students say they have been sexually harassed. Before you can decide how seriously to take these results, one of the most important questions you should ask is,

• A) did the survey deal with equal numbers of sophomores, juniors, and seniors?
• B) were the results similar the following year?
• C) how did the survey define sexual harassment?
• D) did the survey administrators take precautions against cheating?

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Definitions:

Standard Deviation

A measure of the distribution of data points around the mean, indicating how spread out the data points are.

Frequency Distribution

An organized tabulation of the number of instances that each value or category of a variable occurs in a data set.

GMAT Scores

Numerical scores resulting from taking the Graduate Management Admission Test, used by graduate business schools for admissions purposes.

Mean Score

A statistical metric representing the average value of a set of numbers.