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The manager of an electrical supply store measured the diameters of the rolls of wire in the inventory. The diameters of the rolls (in m) are listed below. Find the standard deviation. Round your result to four decimal places. 0.607 0.278 0.24 0.649 0.172 0.443 0.268 .... O A. 1.2222 O B. 0.6490 O C. 1.0085 O D. 0.1897