Calculate the sample mean-sample variance
The diameter of six automotive piston rings is shown below. Calculate the sample mean, sample variance, and sample standard deviation.
74.003 mm 73.996 mm
74.007 mm 74.003 mm
74.004 mm 74.006 mm
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Why do chemists prefer to read and record the absorbance, rather than the percent transmittance, of light (electromagnetic radiation) when analyzing a sample having a visible color?
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