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
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, withp, and py representing the proportions for the two methods (receiving a phone call and receiving a flyer, respectively] The sample statistic of interest is P1 - py- We are testing Ho:p = pays Help > Py. A randomization distribution of differences in proportions. p - py. for this test is shown in the figure below. 120 100 Frequency -0.6 -0.4 -0.2 0.2 0.4 0.6 Difference (al Four possible sample statistics are given, along with four possible p-valves. Match the statistics with the p-values. 1.j - Py = 0.15 p-value: 0324 0001 20 - 1 = 031 p-value 0.374 6011 DOLL
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