Gather two sets of data and use test of difference appropriately (t-test for two sample means or paired sample t-test). State the hypotheses, provide level of significance and tailed test and a...

Gather two sets of data and use test of difference appropriately (t-test for two sample means or paired sample t-test). State the hypotheses, provide level of significance and tailed test and a conclusion. Show complete solution with steps and Data Analysis results.

Please use Excel (T-test) in answering with steps and explanations.