How Many Hours on a Computer: introduces the dataset PASeniors which includes many variables on a sample of high school seniors in Pennsylvania. One of the variables is Computer Hours, which gives the number of hours the student spent on a computer during the previous weekIn the sample, 447 students answered the question, and the sample mean was 16.740 hours with standard deviation of 17.688. Find and interpret a 99% confidence interval for the mean number of hours per week that high school seniors in Pennsylvania spend on the computer. 1) what is the positive T score? 2) what is the standard error? 3) what is the margin of error?

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
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How Many Hours on a Computer: introduces the dataset PASeniors which includes many variables on a sample of high school seniors in Pennsylvania. One of the variables is Computer Hours, which gives the number of hours the student spent on a computer during the previous weekIn the sample, 447 students answered the question, and the sample mean was 16.740 hours with standard deviation of 17.688. Find and interpret a 99% confidence interval for the mean number of hours per week that high school seniors in Pennsylvania spend on the computer. 1) what is the positive T score? 2) what is the standard error? 3) what is the margin of error?
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