) The refractive index (μ) of water is found to have the values 12.9,12.5,12.3 and 11.8. Calculate the standard deviation for the refractive index of water.
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a) The refractive index (μ) of water is found to have the values 12.9,12.5,12.3 and 11.8.
Calculate the standard deviation for the refractive index of water.
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