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Calculate the paired-samples t statistic for mood scores

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Reference no: EM131741840

Question: The following are mood scores for 12 participants before and after watching a funny video clip (higher values indicate better mood).

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a. Calculate the paired-samples t statistic for these mood scores.

b. Using a one-tailed hypothesis test that the video clip improves mood and a p level of 0.05, identify the critical t values and make a decision regarding the null hypothesis.

Reference no: EM131741840

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