A Sales Manager Was Interested in Determining If There Is $\beta_{1}=0$

Multiple Choice

A sales manager was interested in determining if there is a relationship between college GPA and sales performance among salespeople hired within the last year.A
Sample of recently hired salespeople was selected the number of units each sold last
Month recorded.The correct null hypothesis is

A) There is no relationship between GPA and sales performance.
B) There is a relationship between GPA and sales performance.
C) $\beta_{1}=0$
D) Both A and C.
E) Both B and C.