Chapter 14.3, Problem 14AYU

(a)

To determine

To conclude: Whether the provided null hypothesis would be rejected or not.

(b)

To determine

To interpret: Slope coefficients of the model in part (a).

(c)

To determine

To predict: $\widehat{y}$ value when $x_1=20\%$ and $x_3=12\text{mm}$.

(d)

To determine

To conclude: Whether the provided null hypothesis would be rejected or not.

(e)

To determine

To interpret: Slope coefficients of the model in part (d).

(f)

To determine

To explain: Whether prediction of vertical distance is possible or not.

To determine

To explain: Why part (e) is helpful in determining the vertical distance from the target.