Use the following information for questions 1 to 5. The Bagel Company wishes to expand to Michigan and needs to decide where to locate its first store. A sample of 45 East Lansing residents (n1) spent an average of $52.87 a month on bagels with a variance of 8.76. A sample of 37 Ann Arbor residents (n2) spent an average of $61.98 a month on bagels with a variance of 9.21. Is there evidence that one area spends more per month than the other? Use = .05.

What is the calculated value of the test statistic?

Question 4 options:

	-4.56
	-20.54
	20.02
	-13.49
	-13.68 The answer is -13.68 but I have no idea how I can get this