Suppose I recorded the attendance of my students in a recent statistics class because I wanted to
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.
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a b c Because the slope is negative we can conclude that the increa...View the full answer
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