Influencing Voters . A study is conducted to see if there is evidence that a recorded phone call is more effective than a mailed flyer in getting votes to support a certain candidate. The study assumes a significance level of =0.05.

(a) What is the conclusion in the context of this study if the p-value for the test is 0.044 ?

1. Reject H0: There is evidence that a phone call is more effective than a flyer.
2. Do not reject H0: There is no evidence of a difference between a phone call and a flyer.

(b) In the conclusion in part (a), which type of error are we possibly making: Type I or Type II?

Type I

Type II

(c) What is the conclusion in the context of this study if the p-value for the test is 0.17 ?

1. Reject H0: There is evidence that a phone call is more effective than a flyer.
2. Do not reject H0: There is no evidence of a difference between a phone call and a flyer.

(d) In the conclusion in part (c), which type of error are we possibly making: Type I or Type II?

Type I

Type II