In Her Analysis of Data from a National Survey of High

question 40

Multiple Choice

In her analysis of data from a national survey of high school students, Beckett Broh found that students who played interscholastic sports tended to perform better academically than those who did not play; moreover, this association was statistically significant. Based on this information, it would be appropriate to conclude that

• A) playing sports is a cause (among other causes) of academic performance.
• B) there is an association between playing high school sports and academic performance.
• C) playing sports has a positive impact on academic performance.
• D) the relationship between sports participation and academic performance is nonspurious.

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Definitions:

Type II Errors

A statistical error that occurs when a test fails to reject a false null hypothesis.

Type I Errors

Incorrectly denying a correct null hypothesis, familiarly termed as a "false positive."

Sampling Frequency

The rate at which samples are taken or recorded from a continuous signal or population for analysis.

Sample Size

The number of observations or data points collected in a sample from a population for the purpose of statistical analysis.