# 12.53 Cell phone ANOVA Report the ANOVA table for the previous exercise. a. Verify that total SS...

## 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 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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**Related Book For**

## Statistics The Art And Science Of Learning From Data

**ISBN:** 9781292164878

4th Global Edition

**Authors:** Alan Agresti, Christine A. Franklin, Bernhard Klingenberg