Starnes/Tabor, The Practice of Statistics for the AP® Course, 7e, Unit 9, English

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Last updated 7:45 PM on 12/23/25
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4 Terms

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population regression line

Regression line μy = α + βx calculated from every value in the population.

2
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sample regression line

Least-squares regression line ŷ = a + bx computed from sample data.

3
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t interval for the slope

Confidence interval used to estimate the slope β of a population regression line.

4
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t test for the slope

A significance test of the null hypothesis that the slope β of a population regression line is equal to a specified value, most commonly 0.