When stating the null and alternative hypotheses, the hypotheses are: V. Sample

Question

When stating the null and alternative hypotheses, the hypotheses are:

V. Sample size is n 25 alternative hypothesis is two-sided: nt E h. VI. Sample size is n 225 alternative hypothesis is two-sided: W. Comment: This is not an easy exercise, but don't let the surface mess of the picture put you off. The purpose of the exercise is to challenge you to think hard about very important issues in a new way and at the same time to challenge you to become more skillful at connecting graphs with ideas. We hope you won't give up and that you'll feel that what you learn from the time you spend is worth it. 1.0 0.8 0.6 0.4 0.2 -0.2 0.0 0.1 0.2 -0.1 Distance A. D. B. E. Extra credit: up to 1.5 points) Explain why you paired each curve with its respective description

Explanation / Answer

The null hypothesis is what we attempt to find evidence against in our hypothesis test. We hope to obtain a small enough p-value that it is lower than our level of significance alpha and we are justified in rejecting the null hypothesis. If our p-value is greater than alpha, then we fail to reject the null hypothesis.

The alternative hypothesis is what we are attempting to demonstrate in an indirect way by the use of our hypothesis test. If the null hypothesis is rejected, then we accept the alternative hypothesis. If the null hypothesis is not rejected, then we do not accept the alternative hypothesis

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