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Which is cheaper: eating out or dining in? The mean cost of a flank šteak, broccoli, and rice bought at the grocery store is $13.04 (Money.msn website, November 7, 2012). A sample of 100 neighborhood restaurants showed a mean price of $12.75 and a standard deviation of $2 for a comparable restaurant meal. a. Develop appropriate hypotheses for a test to determine whether the sample data sup- port the conclusion that the mean cost of a restaurant meal is less than fixing a com- parable meal at home. b. Using the sample from the 100 restaurants, what is the p-value? At a = d. Repeat the preceding hypothesis test using the critical value approach. 27. c. .05, what is your conclusion?

Which is cheaper: eating out or dining in? The mean cost of a flank šteak, broccoli, and rice bought at the grocery store is $13.04 (Money.msn website, November 7, 2012). A sample of 100 neighborhood restaurants showed a mean price of $12.75 and a standard deviation of $2 for a comparable restaurant meal. a. Develop appropriate hypotheses for a test to determine whether the sample data sup- port the conclusion that the mean cost of a restaurant meal is less than fixing a com- parable meal at home. b. Using the sample from the 100 restaurants, what is the p-value? At a = d. Repeat the preceding hypothesis test using the critical value approach. 27. c. .05, what is your conclusion?

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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27. Which is cheaper: eating out or dining in? The mean cost of a flank steak, broccoli, and rice bought at the grocery store is $13.04 (Money.msn website, November 7, 2012). A sample of 100 neighborhood restaurants showed a mean price of $12.75 and a standard deviation of $2 for a comparable restaurant meal. a. Develop appropriate hypotheses for a test to determine whether the sample data port the conclusion that the mean cost of a restaurant meal is less than fixing a com- st sup- parable meal at home. b. Using the sample from the 100 restaurants, what is the p-value? At a = .05, what is your conclusion? Repeat the preceding hypothesis test using the critical value approach. с. || d.
Transcribed Image Text:27. Which is cheaper: eating out or dining in? The mean cost of a flank steak, broccoli, and rice bought at the grocery store is $13.04 (Money.msn website, November 7, 2012). A sample of 100 neighborhood restaurants showed a mean price of $12.75 and a standard deviation of $2 for a comparable restaurant meal. a. Develop appropriate hypotheses for a test to determine whether the sample data port the conclusion that the mean cost of a restaurant meal is less than fixing a com- st sup- parable meal at home. b. Using the sample from the 100 restaurants, what is the p-value? At a = .05, what is your conclusion? Repeat the preceding hypothesis test using the critical value approach. с. || d.
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