Dropout Rates. Refer to Problems 11 and 12. a. At the 5% significance level, do the data

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Dropout Rates. Refer to Problems 11 and 12.

a. At the 5% significance level, do the data provide sufficient evidence to conclude that average age is useful as a predictor of dropout rate?

b. Determine a 95% confidence interval for the slope , β1, of the population regression line that relates dropout rate to average age.

Interpret your answer.

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Introductory Statistics

ISBN: 9781292099729

10th Global Edition

Authors: Neil A. Weiss

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