A Professor Measures the Number of Review Sessions Attended Per

question 72

True/False

A professor measures the number of review sessions attended per week and GPA in a sample of college freshmen and concludes that increased attendance for review sessions is related to higher grades.This research design is an example of an experimental design.

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Definitions:

Statistical Precision

How similar the results are when measurements are taken repeatedly in unaltered circumstances.

T-statistic

A value derived from a T-test that measures the size of the difference relative to the variation in the sample data.

Statistical Probability

A measure of how likely an event is to occur based on available data or statistical analysis.

Critical Value

A point on the scale of the test statistic beyond which we reject the null hypothesis; it is dependent on the chosen significance level.