Use the Traditional Method of Hypothesis Testing to Test the Given

question 20

Essay

Use the traditional method of hypothesis testing to test the given claim about the means of two populations. Assume that two dependent samples have been randomly selected from normally distributed populations.
-A test of abstract reasoning is given to a random sample of students before and after they completed a formal logic course. The results are given below. At the 0.05 significance level, test the claim that the mean score is not affected by the course. $$\begin{array}{l}\begin{array} { l l l l l l l l l l l } \text { Before } &74&83&75&88&84&63&93&84&91&77\\\hline \text { After } & 73 & 77 & 70 & 77 & 74 & 67 & 95 & 83 & 84 & 75\end{array}\end{array}$$

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