20 Dec 2021
Problem 135
Page 569
Section: BRINGING IT TOGETHER: HOMEWORK
Chapter 10: HYPOTHESIS TESTING WITH TWO SAMPLE
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20 Dec 2021
Given information
The data are as follows -
Player 1 | Player 2 | Player 3 | Player 4 | |
Mean score before class | 83 | 78 | 93 | 87 |
Mean score after class | 80 | 80 | 86 | 86 |
Step-by-step explanation
Step 1.
Since the mean scores being obtained are independent.
Therefore, we use test of two independent means (student's t-distribution).
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