Finding the Critical Value, Part 2.pdf - For questions...

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For questions regarding finding the critical value (for z-tests, t-tests, and confidenceintervals), the "Finding the Critical Value" document -- along with the Critical ValuesFlowchart -- will really help.For an example, here is the Question 5 problem on the Module 9/10 assignment:A psychologist is interested in knowing whether adults who were bullied aschildren differ from the general population in terms of their empathy forothers. On a questionnaire designed to measure empathy, the mean score for thegeneral population is 30.6. Random sampling of 25 scores obtained fromindividuals who were bullied yielded a sample mean of 39.5 and a samplestandard deviation of 6.6.Test at the .05 level of significance.Set up the criteria for making a decision. That is, find the critical valueusing an alpha = .05. (Make sure you are sign specific: + ; - ; or ± ) (Useyour tables)First, let's break down the problem word by word and sentence by sentence so we canmake a "What we Know" list:What We Know1.A psychologist is interested in knowing whether adults who were bullied aschildren differfrom the general population in terms of their empathy forothers.

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Term
Summer
Professor
N/A
Tags
Statistics, Howell, 24 degrees

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