. The scores of individual students on a mathematics test have a normal distribution with mean 18.6 and standard deviation 5.9. There are 100 students in all took the test. What is the mean, variance, and standard deviation of the sample mean for 100 students? SOLUTION
. The scores of individual students on a mathematics test have a normal distribution with mean 18.6 and standard deviation 5.9. There are 100 students in all took the test. What is the mean, variance, and standard deviation of the sample mean for 100 students? SOLUTION
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 26PFA
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