Find the mean and standard deviation for each of the sample data sets given in Problems 21-28. Use the suggestions in the remarks following Examples 1 and 2 to perform some of the computations. Earnings per share. The earnings per share (in dollars) for 12 companies selected at random from the list of Fortune 500 companies are:
Find the mean and standard deviation for each of the sample data sets given in Problems 21-28. Use the suggestions in the remarks following Examples 1 and 2 to perform some of the computations. Earnings per share. The earnings per share (in dollars) for 12 companies selected at random from the list of Fortune 500 companies are:
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