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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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***Please answer only D***

Transcribed Image Text:c. Determine the p-value in (a) and interpret its meaning. The test statistic gives a p-value of 0.282 Data Table (Type an integer or a decimal. Round to three decimal places as needed.) Interpret the meaning of the p-value in (a). Choose the correct answer below. O A. The p-value is the probability of obtaining a sample mean difference less extreme than this one if the population mean ratings for the two brands are the same. Expert C.C. Brand A Brand B B. The p-value is the probability of obtaining a sample mean difference at least as extreme as this one if the population mean ratings for the two brands are the same. 22 24 S.E. 23 23 O C. The p-value is the probability of failing to reject the null hypothesis when it is actually false. E.G 18 19 В.I. 23 25 d. Construct a 90% confidence interval estimate of the difference in the mean ratings between the two brands. Recall that pp = H1 - H2, where p, is the mean rating for brand A and µ, is the mean rating for brand B. C.M. 23 24 C.N. 24 25 The 90% confidence interval estimate is <HD<: G.N. 25 24 (Type integers or decimals. Round to two decimal places as needed.) R.M. 23 24 P.V. 23 25

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