5. State the possible hypotheses and make an interpretation as well as a conclusion based on the data belov Pre test Post test Мean 30.41667 36.7 Variance 31.90152 49.29545 Observations 12 12 Pearson Correlation 0.777711 Hypothesized Mean Difference df 11 t Stat -4.96635 P(T<=t) one-tail 0.000212

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