A researcher is testing a null hypothesis stating that for the general population there is no preference between the two leading brands of cola.In a sample of n = 100 people, 35 preferred brand A and 65 preferred brand B.Assuming that the researcher uses a two-tailed test, what is the appropriate statistical decision?
A) Reject the null hyp othesis with $ \alpha=.05 $ but not with $ \alpha=.01 $.
B) Reject the null hypothesis with either $ \alpha=.05 $ or $ \alpha=.01 $.
C) Fail to reject the null hypothesis with either $ \alpha=.05 $ or $ \alpha=.01 $.
D) No decision is possible without additional information.

Question

A researcher is testing a null hypothesis stating that for the general population there is no preference between the two leading brands of cola.In a sample of n = 100 people, 35 preferred brand A and 65 preferred brand B.Assuming that the researcher uses a two-tailed test, what is the appropriate statistical decision? 
A) Reject the null hyp othesis with $ \alpha=.05 $ but not with $ \alpha=.01 $.
B) Reject the null hypothesis with either $ \alpha=.05 $ or $ \alpha=.01 $.
C) Fail to reject the null hypothesis with either $ \alpha=.05 $ or $ \alpha=.01 $.
D) No decision is possible without additional information.

Quizplus · Accepted Answer

The Answer of A researcher is testing a null hypothesis stating that for the general population there is no preference between the two leading brands of cola.In a sample of n = 100 people, 35 preferred brand A and 65 preferred brand B.Assuming that the researcher uses a two-tailed test, what is the appropriate statistical decision? 
A) Reject the null hyp othesis with $ \alpha=.05 $ but not with $ \alpha=.01 $.
B) Reject the null hypothesis with either $ \alpha=.05 $ or $ \alpha=.01 $.
C) Fail to reject the null hypothesis with either $ \alpha=.05 $ or $ \alpha=.01 $.
D) No decision is possible without additional information.

A Researcher Is Testing a Null Hypothesis Stating That for the General