Answered: Is there a difference between…

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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Is there a difference between middle-class families and working-class families in terms of maintaining contact with relatives? A sample of 35 middle-class families reported an average of 7.3 visits per year with close kin with a standard deviation of 0.3, while a sample of 48 working-class families averaged 8.2 visits with a standard deviation of 0.5. If the estimated standard error of the differences is equal to 0.65, is the difference significant? Please select a significance level, conduct a t test for independent means by using the five steps of hypothesis testing, and summarize your conclusions in a sentence or two.

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