Calculate the standard deviation of these measurements and plot the frequency distribution.
Measurement no.(i) 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15. Diameter d (mm) 1.26 1.26 1.29 1.31 1.28 1.27 1.26 1.25 1.28 1.32 1.21 1.27 1.22 1.29 1.28
Standard deviations
Frequency distribution
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excellent work
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