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After a product recall, a company solicits feedback from a random sample of 100 customers regarding their opinion about the company since the recallI. Customers were asked, "Do you approve, disapprove, or have no opinion abou the company?" The public relations department is concerned that the opinions may be equally distributed across these three options. The survey reveals that 38 customers approve, 45 disapprove, and 17 have no opinion. They decide to carry out a test of significance to determine if there is convincing evidence that the distribution of opinion in the population is equally distributed across the three options. What is the value of the chi-square test statistic and the P-value of this test? Find the chi-square table bere

After a product recall, a company solicits feedback from a random sample of 100 customers regarding their opinion about the company since the recallI. Customers were asked, "Do you approve, disapprove, or have no opinion abou the company?" The public relations department is concerned that the opinions may be equally distributed across these three options. The survey reveals that 38 customers approve, 45 disapprove, and 17 have no opinion. They decide to carry out a test of significance to determine if there is convincing evidence that the distribution of opinion in the population is equally distributed across the three options. What is the value of the chi-square test statistic and the P-value of this test? Find the chi-square table bere

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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After a product recall, a company solicits feedback from a random sample of 100 customers regarding their opinion about the company since the recall. Customers were asked, "Do you approve, disapprove, or have no opinion about the company?" The public relations department is concerned that the opinions may be equally distributed across these three options. The survey reveals that 38 customers approve, 45 disapprove, and 17 have no opinion. They decide to carry out a test of significance to determine if there is convincing evidence that the distribution of opinion in the population is equally distributed across the three options. What is the value of the chi-square test statistic and the P-value of this test? Find the chi-square table here. O x? = 7.77, P-value is between 0.02 and 0.025 x2 = 7.77, P-value is between 0.05 and 0.10 x2 = 8.54, P-value is between 0.01 and 0.02 x2 = 8.54, P-value is between 0.025 and 0.05
Transcribed Image Text:After a product recall, a company solicits feedback from a random sample of 100 customers regarding their opinion about the company since the recall. Customers were asked, "Do you approve, disapprove, or have no opinion about the company?" The public relations department is concerned that the opinions may be equally distributed across these three options. The survey reveals that 38 customers approve, 45 disapprove, and 17 have no opinion. They decide to carry out a test of significance to determine if there is convincing evidence that the distribution of opinion in the population is equally distributed across the three options. What is the value of the chi-square test statistic and the P-value of this test? Find the chi-square table here. O x? = 7.77, P-value is between 0.02 and 0.025 x2 = 7.77, P-value is between 0.05 and 0.10 x2 = 8.54, P-value is between 0.01 and 0.02 x2 = 8.54, P-value is between 0.025 and 0.05
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