A forensic psychologist is interested in testing whether serial killers are more introverted than the general population. A sample of 16 serial killers serving life sentences was tested and found to have a sample mean introversion score of 41 and a standard deviation (s) of 10. The population mean (µ) for introversion is 36What are the null and alternative hypotheses? Using an alpha level of .05, determine whether his sample was significantly different from population. Report and interpret an effect size. Given your conclusion in part b, what type of error might you be making?

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MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

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A forensic psychologist is interested in testing whether serial killers are more introverted than the general population. A sample of 16 serial killers serving life sentences was tested and found to have a sample mean introversion score of 41 and a standard deviation (s) of 10. The population mean (µ) for introversion is 36
1. What are the null and alternative hypotheses?

Using an alpha level of .05, determine whether his sample was significantly different from population.

Report and interpret an effect size.

Given your conclusion in part b, what type of error might you be making?

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