In a study with a continuous independent variable, a third-degree polynomial was fitted. Some of the results are . x = .15726; . = .28723;  = XXXXXXXXXXThe total number of subjects was 150. Calculate...

In a study with a continuous independent variable, a third-degree polynomial was fitted. Some of the results are
._x
= .15726;
. = .28723;
 = .31626. The total number of subjects was 150. Calculate the F ratios for the following components:

(a) Linear.

(b) Quadratic.

(c) Cubic.