9. Four students took a statistics test before and after coaching, but coaching did not a e scores of students i.e. mean change in scores is zero. Their scores are as follows: Students A В C D Before 62 88 64 70 After 60 89 60 74 nd the value of test statistic-t for matched pairs. (Round off up to 2 decimal places) 1.25 0.25 3.25

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Statements and Logic

Logic is the analysis of general patterns of thoughts without regard to any specific sense of context.