Question: No. Pre test Post test D D2 11 23 -12 144 2 10 23 -13 169 3 7 30 -23 529 4 3 18 -15

No. Pre test Post test D D2 11 23 -12 144 2 10 23 -13 169 3 7 30 -23 529 4 3 18 -15 225 5 9 27 -18 324 Total MeanWhat is the total difference (D) between their pre-test and post-test data? What is the total sum for all the squares of difference (DAZ ) of their data? What is the given mean for the difference between each data (D)? What is the computed t-value for the given data? With the computed t value and tcritical value at alpha 2 0.05 level of significance, what will be the decision for the given

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