Question: 12.53 Cell phone ANOVA Report the ANOVA table for the previous exercise. a. Verify that total SS = residual SS + regression SS. Explain what

12.53 Cell phone ANOVA Report the ANOVA table for the previous exercise.

a. Verify that total SS = residual SS + regression SS. Explain what each of the three sums of squares represent.

b. Find the estimated residual standard deviation of y.

Interpret it.

c. Find the sample standard deviation sy of y values.

Explain the difference between the interpretation of this standard deviation and the residual standard deviation in part b.

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