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.


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  • CreatedSeptember 02, 2015
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