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10.17 A survey anything look wrong? 200 tests. Click the button "Show reported the number of A survey published in the American Journal of Sports Medicine meters (m) per week swum by two groups of swimmers those who competed exclusively in breaststroke and those who competed in the individual medley (which includes breaststroke). The number of meters per week practicing the breaststroke was recorded for each swimmer, and the summary statistics are given below. Is there sufficient evidence to indicate that the number of meters r week spent practicing breaststroke is greater for exclusive breaststrokers than it is for those swimming individual medley? average Specialty Exclusively Breaststroke Individual Medley Sample size 130 80 Sample mean (m) 9017 5853 Sample standard deviation (m) 7162 1961 Population mean με M2 a State the null and alternative hypotheses. b What is the appropriate rejection region for an α = .01 level test? c Calculate the observed value of the appropriate test statistic. C d What is your conclusion? e What is a practical reason for the conclusion you reached in part (d)?

10.17 A survey anything look wrong? 200 tests. Click the button "Show reported the number of A survey published in the American Journal of Sports Medicine meters (m) per week swum by two groups of swimmers those who competed exclusively in breaststroke and those who competed in the individual medley (which includes breaststroke). The number of meters per week practicing the breaststroke was recorded for each swimmer, and the summary statistics are given below. Is there sufficient evidence to indicate that the number of meters r week spent practicing breaststroke is greater for exclusive breaststrokers than it is for those swimming individual medley? average Specialty Exclusively Breaststroke Individual Medley Sample size 130 80 Sample mean (m) 9017 5853 Sample standard deviation (m) 7162 1961 Population mean με M2 a State the null and alternative hypotheses. b What is the appropriate rejection region for an α = .01 level test? c Calculate the observed value of the appropriate test statistic. C d What is your conclusion? e What is a practical reason for the conclusion you reached in part (d)?

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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10.17 A survey anything look wrong? 200 tests. Click the button "Show reported the number of A survey published in the American Journal of Sports Medicine meters (m) per week swum by two groups of swimmers those who competed exclusively in breaststroke and those who competed in the individual medley (which includes breaststroke). The number of meters per week practicing the breaststroke was recorded for each swimmer, and the summary statistics are given below. Is there sufficient evidence to indicate that the number of meters r week spent practicing breaststroke is greater for exclusive breaststrokers than it is for those swimming individual medley? average Specialty Exclusively Breaststroke Individual Medley Sample size 130 80 Sample mean (m) 9017 5853 Sample standard deviation (m) 7162 1961 Population mean με M2 a State the null and alternative hypotheses. b What is the appropriate rejection region for an α = .01 level test? c Calculate the observed value of the appropriate test statistic. C d What is your conclusion? e What is a practical reason for the conclusion you reached in part (d)?
Transcribed Image Text:10.17 A survey anything look wrong? 200 tests. Click the button "Show reported the number of A survey published in the American Journal of Sports Medicine meters (m) per week swum by two groups of swimmers those who competed exclusively in breaststroke and those who competed in the individual medley (which includes breaststroke). The number of meters per week practicing the breaststroke was recorded for each swimmer, and the summary statistics are given below. Is there sufficient evidence to indicate that the number of meters r week spent practicing breaststroke is greater for exclusive breaststrokers than it is for those swimming individual medley? average Specialty Exclusively Breaststroke Individual Medley Sample size 130 80 Sample mean (m) 9017 5853 Sample standard deviation (m) 7162 1961 Population mean με M2 a State the null and alternative hypotheses. b What is the appropriate rejection region for an α = .01 level test? c Calculate the observed value of the appropriate test statistic. C d What is your conclusion? e What is a practical reason for the conclusion you reached in part (d)?
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