Setting Up a Test for the Slope of a Regression Model

AP Statistics· difficulty 2/5

A regression of test score on study hours yields slope = 5.2 with SE = 1.3 from n = 25 observations.

At alpha = 0.05, what conclusion for H0: beta = 0?

Explanation

With t = 4.0 and df = 23, the p-value is far below 0.05. Reject H0; the slope is statistically significant.

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