1 The null hypothesis from a break even analysis should include the possibility that the methods are equally profitable 2 A one sided test of H0 m1 2 10 rejects H0 if 10 lies outside of the 95 confidence interval for 1 2 3 If the standard two sample t test rejects H0 1 2 100, then m1 is more than $100 larger than 2 4 If we double the size of both samples, we reduce the chance that we falsely reject the null hypothesis when using the two sample t test 5 If the two sample confidence interval for 1 2 includes 0, then we should conclude that 1 2

Question: 1. The null hypothesis from a break-even analysis should include the possibility that the methods are equally profitable. 2. A one-sided test of H0: m1

1. The null hypothesis from a break-even analysis should include the possibility that the methods are equally profitable.
2. A one-sided test of H0: m1 - μ2 ≤ 10 rejects H0 if 10 lies outside of the 95% confidence interval for μ1 - μ2.
3. If the standard two-sample t-test rejects H0: μ1 - μ2 . +100, then m1 is more than $100 larger than μ2.
4. If we double the size of both samples, we reduce the chance that we falsely reject the null hypothesis when using the two-sample t-test.
5. If the two-sample confidence interval for μ1 - μ2 includes 0, then we should conclude that μ1 = μ2.

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