Essay
In order to improve the grades of students at UTC,several incentive programs have been introduced.Results of random samples of grades from after and before the incentive programs are given below.
a.Give the hypotheses.
b.Compute the test statistic.
c.At a 0.1 level of significance,test tto determine whether the incentive programs have significantly increased the average grades.
Correct Answer:
Verified
Correct Answer:
Verified
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