Worksheet 5

Worksheet 5 - Samantha Zid Lab Worksheet 5 39 What are the...

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Samantha Zid Lab Worksheet 5 2/16/11 39. What are the two types of hypotheses? The null hypothesis is mutually exclusive from the alternative and states that there is no effect in the direction of the alternative. o Two-tailed à H o : μ = 5, μ 1 = μ 2 , or μ 1 , μ 2 μ a are all equal o One-tailed à H o : μ ≤/≥ 5, μ 1 ≤/≥ μ 2 The alternative hypothesis claims that there is a difference in the dependent variable between conditions. o Two-tailed à H 1 : μ ≠ 5, μ 1 μ 2 , or μ 1 , μ 2… μ a are not all equal o One-tailed à H 1 : μ >/< 5, μ 1 >/< μ 2 40. We want to know if exam scores differ between morning and afternoon sections of a course. Write the null and alternative hypotheses in words and notation. Null: There is no exam score difference between morning and afternoon section scores Alternative: There is a difference between morning and afternoon section scores 41. What is the significance-testing controversy?

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