Find the 95% confidence interval of the true mean.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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7.2 #14
14. Social Networking Sites A recent survey of 8 social
networking sites has a mean of 13.1 million visitors for a
specific month. The standard deviation was 4.1 million.
Find the 95% confidence interval of the true mean.
Source: ComScore Media Matrix. 9.7<μ< 16.5
Transcribed Image Text:14. Social Networking Sites A recent survey of 8 social networking sites has a mean of 13.1 million visitors for a specific month. The standard deviation was 4.1 million. Find the 95% confidence interval of the true mean. Source: ComScore Media Matrix. 9.7<μ< 16.5
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