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**Two-sample t-test for two independent means**

- Choose
`STAT/TESTS/4:2-SampTTest`

. - Note: Use arrows to navigate through the menu.
`Inpt:`

Since you are given the sample data, choose`Data`

.- List1: L1, press 2ND/1.
- List2: L2, press 2ND/2.
- Freq1: 1 (the number one).
- Freq2: 1 (the number one).
- Choose the correct form of the alternative hypothesis (≠, <, >).
- Choose
`Pooled:No`

since we are assuming unequal variances. - Arrow down and choose
`CALCULATE`

. - Press
`ENTER`

.