Author Question: A regression model between sales (y in 1000), unit price (x1 in dollars), and television ... (Read 45 times)

itsmyluck · **on:** Jun 24, 2018

A regression model between sales (y in 1000), unit price (x1 in dollars), and television advertisement (x2 in dollars) resulted in the following function: y = 7 - 3x1 + 5x2 For this model, SSR = 3500, SSE = 1500, and the sample size is 18 . If we want to test for the significance of the regression model, the critical value of F at the 5 level of significance is
a. 3.68.
b. 3.29.
c. 3.24.
d. 4.54.

Question 2

The sum of the relative frequencies for all classes will always equal _____.
a. the sample size
b. the number of classes
c. 1
d. 100