An assembly-line machine turns out washers with the following thicknesses (in millimeters). Find the mean and standard deviation of the thicknesses. 1.64 1.77 1.88 1.64 1.91 1.34 1.75 1,91 1.37 1.34 1.52 2.09 1.43 2.03 1.72 2.05 The mean is mm. (Round to four decimal places as needed.)

A First Course in Probability (10th Edition)
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Author:Sheldon Ross
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Chapter1: Combinatorial Analysis
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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.
1.64
1.77
1.91
1.88
1.52
1.64
1.34
1.75
1.91
1.37
1.34
2.09
1.43
2.03
1.72
2.05
The mean is
mm.
(Round to four decimal places as needed.)
Transcribed Image Text:An assembly-line machine turns out washers with the following thicknesses (in millimeters). Find the mean and standard deviation of the thicknesses. 1.64 1.77 1.91 1.88 1.52 1.64 1.34 1.75 1.91 1.37 1.34 2.09 1.43 2.03 1.72 2.05 The mean is mm. (Round to four decimal places as needed.)
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