Question: Regression Th e equation for the least-squares regression line for the data in Table 4.4 is weight 133.2 6.31(day) (a) Explain carefully what

Regression Th e equation for the least-squares regression line for the data in Table 4.4 is weight  133.2  6.31(day)

(a) Explain carefully what the slope b  6.31 tells us about how fast the soap lost weight.

(b) Interpret the y intercept, 133.2.

(c) Mr. Boggs did not measure the weight of the soap on Day 4. Use the regression equation to predict that weight.

(d) Draw the regression line on your scatterplot from the previous exercise.

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