Question: Find the standard deviation. In testing the water supply of a town, the volume V (in mL/L) of settleable solids over a 12-day period were

Find the standard deviation.


In testing the water supply of a town, the volume V (in mL/L) of settleable solids over a 12-day period were as follows (readings of V < 0.15mL/L are considered acceptable): 0.11, 0.15, 0.16, 0.13, 0.14, 0.13, 0.12, 0.14, 0.15, 0.13, 0.13, 0.12.

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