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4) Consider the following data values: 4.2, 5.1, 6.7, 9.1, 4.0, 2.6, 3.9, 10.1, 2.2, 8.4 (a) Compute the mean x by hand. Do not

4) Consider the following data values: 4.2, 5.1, 6.7, 9.1, 4.0, 2.6, 3.9, 10.1, 2.2, 8.4 (a) Compute the mean x by hand. Do not use Excel. Show all work. (b) Use Excel to compute the sample standard deviation s. You do not need to show any work for this

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