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An assembly-line machine turns out washers with the following thicknesses (in millimeters) Find the mean and standard deviation of the thicknesses 1.33 1.28 2.02 1.95

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An assembly-line machine turns out washers with the following thicknesses (in millimeters) Find the mean and standard deviation of the thicknesses 1.33 1.28 2.02 1.95 1.57 1.87 1.34 191 1.75 1.61 1.54 1.93 1.71 1.71 162 1.97 mm The mean is (Round to four decimal places as needed.)

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