Hypothesis test for independent samples ttest.
The following data on annual rates of return were collected from 5 stocks listed on the New York Stock Exchange ("the big board") and five stocks listed on NASDAQ. At 0.10 significance level, can we conclude that the annual rates of return are higher on the big board?
NYSE

NASDAQ

17.16

18.8

17.08

16.28

15.51

16.21

8.43

17.97

25.15

7.77
