Suppose you have a sample data set   23, 43, 23, 20, 68, 68, 54, 154, 74, 43, 23, 11, 11   Ex.1   Put your new data set in column H starting with cell H2. Ex.1    Using Excel, find the mean of this data set.  Put your result in cell H15 Ex. 3 Using Excel, evaluate the standard deviation of this new data set.  Put your result in cell H16.

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