Chapter 4, Section 2, Exercise 056bd (b) Of the four values given in part (a), w

Q: Chapter 4, Section 2, Exercise 056bd (b) Of the four values given in part (a), w

a) p-value = P(Z> TS) b) of 4 -values given above smallest p-value provides the strongest evidence that a phone call is more effective? hence 0.305026 is correct TS p-value 0.13 0.448283 0.32 0.374484 0.51 0.305026 0.72 0.235762

ID: 2909853 • Letter: C

Question

Chapter 4, Section 2, Exercise 056bd

(b) Of the four values given in part (a), which provides the strongest evidence that a phone call is more effective?

Influencing Voters: Is a Phone Call Better than a Flyer?

A study is conducted to investigate whether a recorded phone call is more effective than a flyer in persuading voters to vote for a particular candidate. The response variable is the proportion of voters planning to vote for the candidate, with and representing the proportions for the two methods (receiving a phone call and receiving a flyer, respectively.) The sample statistic of interest is . We are testing vs . A randomization distribution using for this test is shown below:

Explanation / Answer

p-value = P(Z> TS)

of 4 -values given above

smallest p-value provides the strongest evidence that a phone call is more effective?

hence 0.305026 is correct

TS p-value 0.13 0.448283 0.32 0.374484 0.51 0.305026 0.72 0.235762

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Chapter 4, Section 2, Exercise 056bd (b) Of the four values given in part (a), w

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