hw2 - a. A true null hypothesis was rejected. b. A...

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Homework 2 23 points You can use SPSS or the calculation tool on IntroStats to obtain any information (mean, SD, etc.) you may need. However, please attach any output you obtain from SPSS or write down any values you calculate from IntroStats to get full credit. Problems from Howell : Ch 12: 6, 22; Ch 14: 8, 10 (2 points each) Problems from Williams (Introstats.net): Ch 7: 1, 12; Ch 8: 5, 7 (2 points) 1. Indicate whether each of the following statements is a correct decision or not. If not, note what type of error was committed. (1 point each)
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Unformatted text preview: a. A true null hypothesis was rejected. b. A researcher failed to reject a false null hypothesis. c. The null hypothesis was false and the researcher failed to reject it. d. The researcher did not reject a true null hypothesis. e. A false null hypothesis was rejected. f. The researcher rejected a null hypothesis when she should have failed to reject it. 2. Assume you want to test the difference between the following two samples: Sample 1 Sample 2 2 12 9 14 8 11 10 3 9 14 Would a t-test be a good choice here? Why or who not? (1point)...
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This note was uploaded on 07/17/2008 for the course PHYS 321 taught by Professor Zandt during the Spring '05 term at Ohio State.

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