Suppose that you are interested in the earnings of GE employees. You have randomly sampled 225 employees. The mean of their weekly earnings is $300 and the standard deviation is $75. Your advisor argues that the mean weekly earnings of GE employees should be greater than 288. Test it at the .01 level. Show all five steps
Suppose that you are interested in the earnings of GE employees. You have randomly sampled 225 employees. The mean of their weekly earnings is $300 and the standard deviation is $75. Your advisor argues that the mean weekly earnings of GE employees should be greater than 288. Test it at the .01 level. Show all five steps
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter9: Real Numbers And Right Triangles
Section9.8: The Sine And Cosine Ratios
Problem 19E
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Suppose that you are interested in the earnings of GE employees. You have randomly sampled 225 employees. The mean of their weekly earnings is $300 and the standard deviation is $75.
Your advisor argues that the mean weekly earnings of GE employees should be greater than 288. Test it at the .01 level. Show all five steps please.
Transcribed Image Text:X-μ
S
X
where S =
and df = N-1
X
t =
N
SX
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