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Problem 4. (25pts) Two methods for teaching reading were applied to two randomly selected groups of elementary school children and then compared based on a reading comprehension test given at the end of the learning period. The sample means and variances computed from the test scores are shown in the accompanying table. Method I Method II Number of children in group 11 14 64 69 52 71 Do the data present sufficient evidence to indicate that the second method has a higher variance comparing to the first method at 5% level of significance. Report your results using the rejection region (15pts) and the p-value (10pts) method