Author: Anonymous

The next questions are based on the following: Test the hypothesis, at 5% and 1% levels of significance, that there is no gender-based difference in executive salaries and total compensation (as reported to the SEC) of S&P Midcap company executives.

The customer also wants you to pay a penalty on deliveries that do not arrive within 9 hours.  You can expect to pay a penalty on ____% percent of the deliveries if you accept his terms (answer in %,  0.7978 should be entered as 79.78)

Upload your Excel File .xlsx.

If you are unable to change the standard deviation of the delivery time, what should be the average delivery time so that no more than 5% of the deliveries are late (late = takes more than 9 hours). Current average delivery time = 8 hours, standard deviation of delivery time = 1 hour. Target average delivery time: _________ hours .

You expect an average of 3 deliveries per day for this customer. Assume 300 business days a year. In a year, approximately, how many deliveries will be late (> 9hours)?

Test the hypothesis that there is no gender-based difference in executive salaries.  The p-value of the test is: (0.05 should be entered as 0.05)

__________ % of executives in S&P Mid Cap companies received a bonus in 2017.

What is the required sample size if you use this data of executives in S&P Midcap companies to estimate executive total compensation (as reported in SEC filings) of all midsize companies within ± 100K at 90% confidence?

Based on the above hypothesis test, there is no evidence of gender-based difference in executive salaries in S&P mid cap companies.

The average salary of male executives in S&P Mid Cap companies is $ ____________________ K.