55 126 124 205 90 120 216 167 198 183 173 187 143 166 147 219 206 97
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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Question
100%
1. The Barbadian Education Ministry in a recent publication claims that the
188 80 175 195 201 143 119 81 118 119 165 222 109 134 200 110 199 181
55 126 124 205 90 120 216 167 198 183 173 187 143 166 147 219 206 97
a. Test the hypothesis that mean score for grade 8 students on a math achievement test is more than 120. Use the 5% level of significance.
b. Would your conlcusion change at the 10% level of significance?
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