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3.56 Identify the key elements. For each of the Following scenarios, identify the populations, the and the sample sizes; compute the two proportio Find their difference. a) A study of tipping behaviors examined the relationship between the color of the shirt worn b server and whether or not the customer left a tip. were 418 male customers in the study; 40 of the E were served by a server wearing a red shirt left a the 349 who were served by a server wearing a dif colored shirt, 130 left a tip. (b) A sample of 40 runners will be used to compar two new routines for stretching. The runners will randomly assigned to one of the routines which th will follow for two weeks. Satisfaction with the ro will be measured using a questionnaire at the end two-week period. For the first routine, nine runne that they were satisfied or very satisfied. For the s- id th C: 1

3.56 Identify the key elements. For each of the Following scenarios, identify the populations, the and the sample sizes; compute the two proportio Find their difference. a) A study of tipping behaviors examined the relationship between the color of the shirt worn b server and whether or not the customer left a tip. were 418 male customers in the study; 40 of the E were served by a server wearing a red shirt left a the 349 who were served by a server wearing a dif colored shirt, 130 left a tip. (b) A sample of 40 runners will be used to compar two new routines for stretching. The runners will randomly assigned to one of the routines which th will follow for two weeks. Satisfaction with the ro will be measured using a questionnaire at the end two-week period. For the first routine, nine runne that they were satisfied or very satisfied. For the s- id th C: 1

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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8.56 Identify the key elements. For each of the following scenarios, identify the populations, the counts, and the sample sizes; compute the two proportions and find their difference. (a) A study of tipping behaviors examined the in si relationship between the color of the shirt worn by the server and whether or not the customer left a tip.19 There were 418 male customers in the study; 40 of the 69 who were served by a server wearing a red shirt left a tip. Of the 349 who were served by a server wearing a different colored shirt, 130 left a tip. (b) A sample of 40 runners will be used to compare two new routines for stretching. The runners will be randomly assigned to one of the routines which they will follow for two weeks. Satisfaction with the routines will be measured using a questionnaire at the end of the two-week period. For the first routine, nine runners said that they were satisfied or very satisfied. For the second routine, six runners said that they were satisfied or very satisfied.
Transcribed Image Text:8.56 Identify the key elements. For each of the following scenarios, identify the populations, the counts, and the sample sizes; compute the two proportions and find their difference. (a) A study of tipping behaviors examined the in si relationship between the color of the shirt worn by the server and whether or not the customer left a tip.19 There were 418 male customers in the study; 40 of the 69 who were served by a server wearing a red shirt left a tip. Of the 349 who were served by a server wearing a different colored shirt, 130 left a tip. (b) A sample of 40 runners will be used to compare two new routines for stretching. The runners will be randomly assigned to one of the routines which they will follow for two weeks. Satisfaction with the routines will be measured using a questionnaire at the end of the two-week period. For the first routine, nine runners said that they were satisfied or very satisfied. For the second routine, six runners said that they were satisfied or very satisfied.
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