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Description: Do males and females differ in the amount of time they talk on the phone? A study reported that women spent a mean of 818 minutes per month talking on the phone. Men spent 716 minutes per month on the phone (USA Today 2011). The samples were 100 for

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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Do males and females differ in the amount of time they talk on the phone? A study reported that women spent a mean of 818 minutes per month talking on the phone. Men spent 716 minutes per month on the phone (USA Today 2011). The samples were 100 for women and men. The standard deviation for women was 125 per month and 100 per month for men.

Using a 0.01 level of significance, is there evidence of a difference in the variances of the amount spent talking between women and men.
Use the most appropriate t-test to find out if there is difference in means for the amount of time spent talking on the phone between man and women.

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