# Question

An educator wants to see how the number of absences for a student in her class affects the student’s final grade. The data obtained from a sample are shown.

Do a complete regression analysis by performing these steps.

a. Draw a scatter plot.

b. Compute the correlation coefficient.

c. State the hypotheses.

d. Test the hypotheses at α = 0.05. Use Table I.

e. Determine the regression line equation.

f. Plot the regression line on the scatter plot.

g. Summarize the results.

Do a complete regression analysis by performing these steps.

a. Draw a scatter plot.

b. Compute the correlation coefficient.

c. State the hypotheses.

d. Test the hypotheses at α = 0.05. Use Table I.

e. Determine the regression line equation.

f. Plot the regression line on the scatter plot.

g. Summarize the results.

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