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PSYCH 625 Week 4 Time to Practice
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University of Phoenix Material                                                                                                      


Time to Practice – Week Four


Complete Parts A, B, and C below. Remember to include an APA style title page. Remember that in number problems, either calculations or SPSS output must be shown.


Part A


Some questions in Part A require that you access data from Statistics for People Who (Think They) Hate Statistics. This data is available on the student website under the Student Text Resources link.


  1. Using the data in the file named Ch. 11 Data Set 2, test the research hypothesis at the .05 level of significance that boys raise their hands in class more often than girls. Do this practice problem by hand using a calculator. What is your conclusion regarding the research hypothesis? Remember to first decide whether this is a one- or two-tailed test.
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