Hillman Management Services manages apartment complexes in Tulsa, Oklahoma. They currently have 30 units available for rent. The monthly rental prices

(in dollars) for this population of 30 units are 455 690 450 495 550 780 800 395 500 405 675 550 490 495 700 995 650 550 400 750 600 780 650 905 415 600 600 780 575 750

a. What is the range of possible sampling error if a random sample of size n  6 is selected from the population?

b. What is the range of possible sampling error if a random sample of size n  10 is selected? Compare your answers to parts a and b and explain why the difference exists.