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Name: the general social survey polled a sample of 200 people aged 18-30 in
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Description: the general social survey polled a sample of 200 people aged 18-30 in the year 2000,asking them how many hours per week they spent on the internet. The sample average was 7.67 with standard deviation of 7.71. a second sample of 541 people aged 18-30

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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the general social survey polled a sample of 200 people aged 18-30 in the year 2000,asking them how many hours per week they spent on the internet. The sample average was 7.67 with standard deviation of 7.71. a second sample of 541 people aged 18-30 was taken in year 2006. For this sample the average 8.74 with standard deviation of 10.93.assume these are simple random sample from population of People aged 18-30.can u conclude that mean number of hours per week spend on internet increased between 2000 and 2006.use 1% level of significance

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