MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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1) The average salary for public school teachers for a specific year was reported to be $39385. A
random sample of 50 public school teachers in a particular state had a mean of $41680 and a
standard deviation of $5975. Is there sufficient evidence at a = 0.05 level to conclude that the
mean salary differs from $59385?
(5marks)
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Transcribed Image Text:1) The average salary for public school teachers for a specific year was reported to be $39385. A random sample of 50 public school teachers in a particular state had a mean of $41680 and a standard deviation of $5975. Is there sufficient evidence at a = 0.05 level to conclude that the mean salary differs from $59385? (5marks)
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