From the Data Bank, choose two variables that might be

Chapter 10, Problem 1

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From the Data Bank, choose two variables that might be related: for example, IQ and educational level; age and cholesterol level; exercise and weight; or weight and systolic pressure. Do a complete correlation and regression analysis by performing the following steps. Select a random sample of at least 10 subjects. a. Draw a scatter plot. b. Compute the correlation coefficient. c. Test the hypothesis H0: r 0. d. Find the regression line equation. e. Summarize the results. 2

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