Many people believe that the average number of Facebook friends is 140. The population standard deviation is 39.3. A random sample of 43 high school students in a particular county revealed that the average number of Facebook friends was 153. At a=0.01, is there sufficient evidence to conclude that the mean number of friends is greater than 140? Part: 0 / 5
Many people believe that the average number of Facebook friends is 140. The population standard deviation is 39.3. A random sample of 43 high school students in a particular county revealed that the average number of Facebook friends was 153. At a=0.01, is there sufficient evidence to conclude that the mean number of friends is greater than 140? Part: 0 / 5
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 13PPS
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