A regression line has been found and the statistician wants

A regression line has been found and the statistician wants to know if the line has a slope. What is the appropriate null hypothesis to test?

a. H0: B1 = 0.

b. H0: B1 > 0.

c. H0: B1 < 0.

d. H0: B1 =/= 0.

Solution

Null hypothesis always contain = sign. Therefore, the correct option is:

a. H0: B1 = 0.