Louis Katz,a Cost Accountant at Papalote Plastics,Inc $\alpha$ = 005,Louis Should ________________

Multiple Choice

Louis Katz,a cost accountant at Papalote Plastics,Inc.(PPI) ,is analyzing the manufacturing costs of a molded plastic telephone handset produced by PPI.Louis's independent variable is production lot size (in 1,000's of units) ,and his dependent variable is the total cost of the lot (in $100's) .Regression analysis of the data yielded the following tables.
Using $\alpha$ = 0.05,Louis should ________________.

A) increase the sample size
B) suspend judgment
C) not reject H0: $\beta$ 1 = 0
D) reject H0: $\beta$ 1 = 0
E) do not reject H0: $\beta$ 0 = 0