(a)Two random samples, 95 blue-collar workers and 50 white-collar workers were takenfrom a large company. These workers were asked about their views on a certaincompany issue. The results of the survey were collected and shown in Table Q3(a).Table Q3(a): Workers views on a certain company issueOpinionFavorOpposeUncertainBlue-collar275520WorkersWhite-collar4130Using a 2.5% significance level, test the null hypothesis that the opinions for thegroup of workers depend on type of workers.(b)The following table list the numbers of violent crimes reported to police on randomlyselected days for this year. The data are taken from three large cities of about the samesize. The results are shown in Table Q3(b).Table Q3(b): Number of violent crimes reported to policeCityA4123B912310713C241138625At a 2.5% significance level, test the null hypothesis that the mean number of violentcrimes reported per day is the same for each of these three cities.

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(a) Two random samples, 95 blue-collar workers and 50 white-collar workers were taken from a large company. These workers were asked about their views on a certain company issue. The results of the survey were collected and shown in Table Q3(a). Table Q3(a): Workers views on a certain company issue Opinion Favor Oppose Uncertain Blue-collar 27 55 20 Workers White-collar 41 30 Using a 2.5% significance level, test the null hypothesis that the opinions for the group of workers depend on type of workers.

(a) Two random samples, 95 blue-collar workers and 50 white-collar workers were taken from a large company. These workers were asked about their views on a certain company issue. The results of the survey were collected and shown in Table Q3(a). Table Q3(a): Workers views on a certain company issue Opinion Favor Oppose Uncertain Blue-collar 27 55 20 Workers White-collar 41 30 Using a 2.5% significance level, test the null hypothesis that the opinions for the group of workers depend on type of workers.

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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