SOLUTION: Please help me solve this Problems on t Tests Complete the following Practice Problems found on pages 270 and 307. Practice Problem #8 pg. 270: What is the power of each of t

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Question 372815: Please help me solve this
Problems on t Tests
Complete the following Practice Problems found on pages 270 and 307. Practice Problem #8 pg. 270: What is the power of each of the following studies, using a t test for dependent means (based on the .05 significance level)? See chart below�
Study Effect Size N Tails
(a Small 20 One
(b) Medium 20 One
(c) Medium 30 One
(d) Medium 30 Two
(e) Large 30 Two
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 in the following table. Using the .05 level, do the results support the researcher�s theory? (a) Use the steps of hypothesis testing, (b) sketch the distributions involved.. See Chart Below

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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