# Test hypothesis that hearing is better after a large meal

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A researcher theorized that people can hear better when they have just eaten a large meal. 6 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 #s indicate greater ability) are given below. Using the.05 level, do the results support the theory?

(a) Use the steps of hypothesis testing,

(b) sketch the distributions involved, and

(c) explain your answer to someone who has ever had a course in statistics.

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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##### Solution Summary

A step by step method for computing test statistic for one sample t test is provided.

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A researcher theorized that people can hear better when they have just eaten a large meal. 6 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 #s indicate greater ability) are given below. Using the.05 level, do the results support the theory?

Big Meal Group Small Meal Group

Subject Hearing Subject Hearing

A 22 D 19

B 25 ...

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