A survey was conducted among the employees of a certain company and they were asked about their weekly travel expenses. A random sample of 20 employees had the following answers: 120, 85, 94, 67, 112, 88, 92, 110, 125, 70, 83, 90, 84, 86, 94, 112, 92, 90, 78, 100 What is the standard error of the 20 employees? (A) 3.47 (B) 4.68 20.93 (D) 15.52

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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A survey was conducted among the employees of a certain company and they were asked about their weekly travel
expenses. A random sample of 20 employees had the following answers:
120, 85, 94, 67, 112, 88, 92, 110, 125, 70, 83, 90, 84, 86, 94, 112, 92, 90, 78, 100
What is the standard error of the 20 employees?
(A) 3.47
в) 4.68
c) 20.93
D 15.52
Transcribed Image Text:A survey was conducted among the employees of a certain company and they were asked about their weekly travel expenses. A random sample of 20 employees had the following answers: 120, 85, 94, 67, 112, 88, 92, 110, 125, 70, 83, 90, 84, 86, 94, 112, 92, 90, 78, 100 What is the standard error of the 20 employees? (A) 3.47 в) 4.68 c) 20.93 D 15.52
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