Sorry, I have another Qn from Schweser Practice Exam I do not understand. The last from me, hopefully.

Qn 74, Practice Exam 2: Greg Barns and Jill Tillman are discussing the hypothesis they wish to test with respect to the model represented by Yi=B0+B1*X+ei. They wish to use standard statistical methodology in their test. Barns thinks an appropriate hypothesis would be that B1=0 with the goal of proving it to be true. Tillman thinks an appropriate hypothesis would be that B1=1 with the goal of rejecting it. With respect to these hypothesis:

a) the hypothesis of neither researcher is appropriate;

b) the hypothesis of Barns is appropriate but not that of Tillman;

c) the hypothesis of Tillman is appropriate but not that of Barns;

d) more information is required.

Correct answer c):The usual approach is to specify a hypothesis that a researcher wishes to disprove.

I think, the goal is to reject the H0 (this part is true Tillman's) BUT shouldn't the hypothesis be H0: B1=0 (i.e no dependence) and therefore this part true Barns'? All together, both are wrong. I thought I understood hypothesis, but this I do not...

Thanks and sorry for the long text.

Plirts