3. Birmingham claimed that the Commonwealth Games which highlighted the region has improved the image of the city amongst residents. In a random sample of 102 residents asked before the games 68 reported that they though Birmingham was a good place to live. After the games, in an independent sample, 89 out of 115 reported that Birmingham was a good place to live. (a) At the 5% significance level, test the hypothesis of no difference in the proportion of people reporting Birmingham was a good place to live between before and after the Commonwealth Games, against a suitable 1-sided alternative that the Games had a positive effect of the perceptions of the city.

3. Birmingham claimed that the Commonwealth Games which highlighted the region has improved the image of the city amongst residents. In a random sample of 102 residents asked before the games 68 reported that they though Birmingham was a good place to live. After the games, in an independent sample, 89 out of 115 reported that Birmingham was a good place to live. (a) At the 5% significance level, test the hypothesis of no difference in the proportion of people reporting Birmingham was a good place to live between before and after the Commonwealth Games, against a suitable 1-sided alternative that the Games had a positive effect of the perceptions of the city.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section: Chapter Questions

Problem 13PT

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