In a survey of a random sample of 49 college students, the sample mean time per week spent watching videos via smart devices was 21 hours and the standard deviation was 8.2 hours. Find the margin of error (E) of the 95% confidence interval for the mean time per week spent by college students watching videos via smart devices. Round your answer to two decimal places.
In a survey of a random sample of 49 college students, the sample mean time per week spent watching videos via smart devices was 21 hours and the standard deviation was 8.2 hours. Find the margin of error (E) of the 95% confidence interval for the mean time per week spent by college students watching videos via smart devices. Round your answer to two decimal places.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 1GP
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