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October 31, 2014

Homework Help: psy 325

Posted by Anonymous on Sunday, March 20, 2011 at 2:14pm.

16) A researcher theorized that people can hear better when they have just eaten a large meal. Six individuals were randomly assigned to eat either a large or small meal. After eating the meal, their hearing was tested. The hearing ability scores (high numbers indicate greater ability) are given in the following table. Using the .05 level do the results support the researcherís theory?
A) Use the steps of hypothesis testing
b) Sketch the distributions involved
c) Explain you answer to someone who has never had a course in statistics
Big Meal Group Small Meal Group
a) 22 d) 19
b) 25 e) 23
c) 25 f) 21

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