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Explain role and importance of research in managerial planning and decisoon making |
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Answer» Explanation: ANCESTRAL houseTo calculate the standard deviation for a sample of N measurements: Sum all the measurements and DIVIDE by N to get the AVERAGE, or mean. Now, subtract this average from each of the N measurements to obtain N "deviations". Square each of these N deviations and ADD them all up. Divide this result by. (N − 1) |
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