Influencing Voters Exercise 4.39 describes a possible study to see if there is evidence that a recorded phone call is more effective than a mailed flyer in getting voters 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 0.027? (b) In the conclusion in part (a), which type of error are we possibly making: Type I or Type II? Describe what that type of error means in this situation. (c) What is the conclusion if the p-value for the test is 0.18? (d) In the conclusion in part (c), which type of error are we possibly making: Type I or Type II? Describe what that type of error means in this situation.
Influencing Voters Exercise 4.39 describes a possible study to see if there is evidence that a recorded phone call is more effective than a mailed flyer in getting voters 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 0.027? (b) In the conclusion in part (a), which type of error are we possibly making: Type I or Type II? Describe what that type of error means in this situation. (c) What is the conclusion if the p-value for the test is 0.18? (d) In the conclusion in part (c), which type of error are we possibly making: Type I or Type II? Describe what that type of error means in this situation.
Chapter9: Sequences, Probability And Counting Theory
Section9.7: Probability
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Transcribed Image Text:Influencing Voters
Exercise 4.39 describes a possible study to see if there is evidence that a recorded phone call is more effective than a mailed flyer in getting
voters 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 0.027?
(b) In the conclusion in part (a), which type of error are we possibly making: Type I or Type II? Describe what that type of error means in
this situation.
(c) What is the conclusion if the p-value for the test is 0.18?
(d) In the conclusion in part (c), which type of error are we possibly making: Type I or Type II? Describe what that type of error means in
this situation.
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