# Question

Suppose I recorded the attendance of my students in a recent statistics class because I wanted to investigate the linear relationship between the number of classes they missed and their final grades. The following table shows these data for a random sample of nine students and can also be found in the Excel file missed classes.xlsx.

a. Construct a scatter plot for these data.

b. Calculate the slope and the y intercept for the regression equation.

c. Provide an interpretation for the value of the slope.

d. Predict the final grade for a student who missed five classes.

e. Calculate the SST.

f. Partition the SST into the SSR and the SSE.

g. Verify your results using Excel.

a. Construct a scatter plot for these data.

b. Calculate the slope and the y intercept for the regression equation.

c. Provide an interpretation for the value of the slope.

d. Predict the final grade for a student who missed five classes.

e. Calculate the SST.

f. Partition the SST into the SSR and the SSE.

g. Verify your results using Excel.

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