After selecting a random sample of 28 people from a very large population, they want to determine if the average age of the sample is representative of the average age of the population. The mean age of the population is 33. From sample, the mean age is 26 and the standard deviation is 3.4. Is the mean age of the sample significantly different from the mean age in the population?
After selecting a random sample of 28 people from a very large population, they want to determine if the average age of the sample is representative of the average age of the population. The mean age of the population is 33. From sample, the mean age is 26 and the standard deviation is 3.4. Is the mean age of the sample significantly different from the mean age in the population?
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section: Chapter Questions
Problem 22SGR
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