Week 7:Testing of hypothesis

1. Explain the logic of hypothesis testing.
2. Define and explain the conceptual elements involved in hypothesis testing, especially the null hypothesis, the sampling distribution, the alpha level, and the test statistic.
3. Explain what it means to “reject the null hypothesis” or “fail to reject the null hypothesis.”

4. Explain the difference between one- and two-tailed tests and specify when each is appropriate.
5. Define and explain Type I and Type II errors and then relate each to the selection of an alpha level.

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1587466003-overview-of-hypothesis.pdf (0.31 MB )

1587466003-one-tailed-two-tailed-and-type-i-and-type-ii-error.pdf (1.02 MB )