The Barbadian Education Ministry in a recent publication claims that the mean score for grade 8 students on a math achievement test is more than 120. You randomly select 36 test scores. The results below.   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.

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Q: 1. The Barbadian Education Ministry in a recent publication claims that the mean score for grade 8…

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