A random sample of 10 employees showed the following salaries:10,500 12,000 14,800 15,200 17,500 18,100 19,200 20,500 23

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answerhappygod
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A random sample of 10 employees showed the following salaries:10,500 12,000 14,800 15,200 17,500 18,100 19,200 20,500 23

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A random sample of 10 employees showed the following
salaries:10,500 12,000 14,800 15,200 17,500 18,100 19,200 20,500
23,000 25,000 Assuming normal distribution, test the hypothesis
that the true mean is less than 20,000. Use . 𝛼=.05
Note: COMPUTE the mean and the standard deviation of the GIVEN
SAMPLE DATA. You are asked here to TEST the MEAN of the population.
Use CASE 2 . Why do we use CASE2?
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