Question
A population is normally distributed with mean 842. For a sample of size 81, the sample mean was found to be 855 and the sample
A population is normally distributed with mean 842. For a sample of size 81, the sample mean was found to be 855 and the sample standard deviation was found to be 30. The standard deviation for the distribution of sample means was 3. What is the standard deviation for the population?
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Linear Algebra
Authors: Stephen H Friedberg, Arnold J Insel, Lawrence E Spence
4th Edition
0321998898, 9780321998897
