Independent random samples from two neighboring cities revealed the followinginformation concerning the average amount of money spent on single family homeutility bills during July. Assume normal populations using a .05 level of significance.City B25 familiesCity ASample SizeAverage BillSample Standard Deviation25 families$260$20$250$23We want to test if there is a difference in the amount the families in the two citiesspend on utilities.Н:На:Pooled variance =What decision should be made?

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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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We want to test if there is a difference in the amount the families in the two cities spend on utilities. Ho: Ha: Pooled variance = What decision should be made?