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QUESTION
The CEO of an IT Company want to prove that the average of employees at his company is more than 30 years, The age distribution of employees at his...
The CEO of an IT Company want to prove that the average of employees at his company is more than 30 years, The age distribution of employees at his company is normal with μ and σ unknown. for sample of 5 employees it was found that the average age is 31 and the sample standard deviation is 10.5. Use ???? =10.01
- Write down the null and alternative hypotheses test
- Calculate statistic test
- Determine the rejection region
- Write down the decision and conclusion based on the result
