Two independent samples from class 1 and class 2 are selected. Table 4 show the time in minutes it takes for 12 students from each class to complete answer the quiz is recorded. Data is not normally distributed.
State the hypotheses for the test.
Using nonparametric test, is there sufficient evidence to conclude that there is a difference in the time it takes for both classes to complete the exam? Use 5% significance level.
Based on the answer from (b) if α = 0.01 , do you accept or reject the null hypotheses, why?
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