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1 a sample of 9 paired observations generates the following


1) A sample of 9 paired observations generates the following data: d(bar) = 1.61 and S^2d= 2.88

a) Construct 95% confidence interval for the mean difference Ud.

b) Using the confidence interval, test whether the mean difference differs zero. EXPLAIN.

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Basic Statistics: 1 a sample of 9 paired observations generates the following
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