Question

Population 1   Population 2
24.2 23.0
26.1 21.7
28.8 32.7
30.1 20.7
24.6 31.1
29.1 19.6
28.2 26.5
27.4 21.1
28.3 20.6
27.9 27.2
26.8

You are going to test the hypothesis that the mean spending is the same for the two populations using the holiday sales data for Thanksgiving weekend shoppers. Do not assume that the population variances are equal. What is the test statistic?

Answer 1

The statistical software output for this problem is:

Hence,

Test statistic = 1.89