Introductory Statistics
1st Edition
ISBN: 9781938168208
Author: Barbara Illowsky, Susan Dean
Publisher: OpenStax College
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Textbook Question
Chapter 13, Problem 16P
Use the following information to answer the next eight exercises. Girls from four different soccer teams are to be tested for
mean goals scored per game. The entries in the table are the goals per game for the different teams. The one-way ANOVA
results are shown in Table 13.14.
| Team 1 | Team 2 | Team 3 | Team 4 |
| 1 | 2 | 0 | 3 |
| 2 | 3 | 1 | 4 |
| 0 | 2 | 1 | 4 |
| 3 | 4 | 0 | 3 |
| 2 | 4 | 0 | 2 |
Table 13.14
What is SSbetween?
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Question 2
The data below provides the battery life of thirty eight (38) motorcycle batteries.
100 83 83 105 110 81 114
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106
89
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117 120
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89 78 88
680
a. Test the hypothesis that mean battery life is greater than 90. Use the 1% level of
significance.
b. Determine if the mean battery life is different from 80. Use the 10% level of
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c. Would your conlcusion in part (b) change at the 5% level of significance? |
d. Confirm test results in part (b) using JASP. Note: All JASP input files and output
tables should be provided
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Chapter 13 Solutions
Introductory Statistics
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