Question: ct K Multiply each item by 3, and compute the mean and standard deviation of the new sample. Consider the following sample. 21, 26,

ct K Multiply each item by 3, and compute the mean and standard deviation of the new sample. Consider the following sample. 21, 26, 27, 29, 30, 31, 48 The mean is $ (Round to the nearest cent as needed.)

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