April 2, 2008

# April 2, 2008 - unknown B. Comparison with z N X X z obt X...

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April 2 Outline I. Power and the normal deviate test A. Power increases 1. as N increases 2. as the size of the real effect increases 3. as alpha increases 4. when we use a 1 tail (rather than a 2 tail) test B. You won’t need to compute it (pp. 287 – 293) II. Use of the normal deviate test Chapter Statistic Design Population Sample Question 12 z Single sample μ,σ X , N Did the sample come from this population? III. Chapter 13 overview: Single sample t A. Single sample t test B. Confidence intervals (parameter estimation)

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C. Testing the significance of the Pearson r IV. Single sample t test A. Population standard deviation
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Unformatted text preview: unknown B. Comparison with z N X X z obt X obt obt -=-= N s X s X t obt X obt obt-=-= Chapter Statistic Design Population Sample Question 12 z Single sample , X , N Did the sample come from this population? 13 t Single sample X , N, s Did the sample come from this population? C. Example Critical region for rejection of the null hypothesis: area under the curve that contains all the values of the statistic that allow rejection of the null hypothesis Critical value of a statistic: the value of the statistic that bounds the critical region...
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## This note was uploaded on 04/17/2008 for the course PSYC 241 taught by Professor Jamesantes during the Spring '08 term at North Dakota.

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April 2, 2008 - unknown B. Comparison with z N X X z obt X...

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