Question

The EAI data has information on the annual incomes of managers and whether they have attended the training program or not. This data comprise all the 2500 managers that work for this organization. Using this information, address the following questions: Select a simple random sample of 150 managers and another of 250 managers and calculate the point estimates for the population mean, standard deviation, and proportion. How do the results you obtained for n = 150 and n = 250 compare to the population information? Provide a descriptive assessment of the incomes of those managers with training and those without training. Is your assessment in line with the population information? Referring to c), what do you need to do to be able to make a definitive conclusion of the relationship between training and the mean salary of the managers?

Answer 1

Answer for the question:

The EAI data has information on the annual incomes of managers and whether they have attended the training program or not. This data comprise all the 2500 managers that work for this organization. Using this information, address the following questions: Select a simple random sample of 150 managers and another of 250 managers and calculate the point estimates for the population mean, standard deviation, and proportion. How do the results you obtained for n = 150 and n = 250 compare to the population information? Provide a descriptive assessment of the incomes of those managers with training and those without training. Is your assessment in line with the population information? Referring to c), what do you need to do to be able to make a definitive conclusion of the relationship between training and the mean salary of the managers?

is given in the attachment.

Explanation: