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Paired Sample Procedure

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Using the data in the Excel file..., test the hypotheses that the mean difference in writing and reading is zero, and that the mean difference in math and science is zero. Use the paired sample procedure.

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In this solution we test a given set of hypotheses.

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Answer
H0: There is no significant difference in the mean score of writing and reading.
H1: There is significant difference in the mean score of writing and reading.
Test Statistic: t= where and S are the mean and SD difference
Rejection criteria: Reject the null hypothesis, if the calculated value of t is greater than the critical value of t at 0.05% significance level.
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