A researcher theorized that people can hear better when they have

  

Practice problem #16 pg. 307: 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 meal or a small meal. After eating the meal, their hearing was tested: The hearing ability scores (high numbers indicate greater ability) are given the following table. Using the .05 level, do the results support the researcher’s theory? (a) Use the test of hypothesis testing, (b) sketch the distribution involved. (c) Does not need to be completed in this assignment. To complete this question review the chart located on #16 pg. 307. The chart looks like this: Big Meal Group Small Meal group Subject Hearing Subject Hearing A 22 D 19 B 25 E 23 C 25 F 21

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