Question

According to the norms established for a reading comprehension test, eighth graders should average 84.3 with a standard deviation of 8.6. If 45 randomly selected eighth graders from a certain school district averaged 87.8, use the four steps on page 354 to test the null hypothesis µ = 84.3 against the alternative µ > 84.3 at the 0.01 level of significance.


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  • CreatedNovember 04, 2015
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