The scores of individual students on a national test have a normal distribution with mean 18.6 and standard deviation 5.9. At DITE, 76 students took the test. If the scores at this school have the same distribution as national scores, what are the mean and standard deviation of the sample mean for 76 students?
The scores of individual students on a national test have a normal distribution with mean 18.6 and standard deviation 5.9. At DITE, 76 students took the test. If the scores at this school have the same distribution as national scores, what are the mean and standard deviation of the sample mean for 76 students?
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 3GP
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The scores of individual students on a national test have a normal
distribution with mean 18.6 and standard deviation 5.9. At DITE, 76
students took the test. If the scores at this school have the same
distribution as national scores, what are the mean and standard
deviation of the sample mean for 76 students?
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