Chapter 4, Section 4, Exercise 144 Influencing Voters A study is conducted to se

Question

Chapter 4, Section 4, Exercise 144 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 a 0.05 (a) What is the conclusion in the context of this study if the p-value for the test is 0.035? Reject Ho: There is evidence that a phone call is more effective than a flyer. Do not reject Ho: 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

Explanation / Answer

a) p - value < 0.05, we reject Ho.

Option A is correct.

b) We are possibly making Type I error since we are rejecting the null hypothesis.

c) p - value > 0.05, we do not reject Ho.

Option B is correct.

d) We are possibly making Type II error since we are not rejecting the null hypothesis.

Related Questions

Navigate

• Browse (All)
• Browse C
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.