Happy customers As the Hispanic populationin the United States has grown, businesses havetried to understand what Hispanics like. One studyinterviewed a random sample of customers leaving abank. Customers were classified as Hispanic if theypreferred to be interviewed in Spanish or as Angloif they preferred English. Each customer rated theimportance of several aspects of bank service on a10-point scale.³¹ Here are summary results for theimportance of "reliability" (the accuracy of accountrecords and so on):GroupAngloHispanicn9286X6.375.91Sx0.600.93The distribution of reliability ratings in each groupis not Normal. The use of two-sample t procedures isstill justified. Why?Construct and interpret a 95% confidence intervalfor the difference between the mean ratings of theimportance of reliability for Anglo and Hispanicbank customers.Interpret the 95% confidence level in the context ofthis study.

n1=92 n2=86 X1bar=6.37 X2bar=5.91 s1=0.6 s2=0.93

Answered: Happy customers As the Hispanic…

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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