5 absorbance readings were 0.123, 0.125, 0.128, 0.120 and 0.122. What is the standard uncertainty of: (a) a single absor
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5 absorbance readings were 0.123, 0.125, 0.128, 0.120 and 0.122. What is the standard uncertainty of: (a) a single absor
5 absorbance readings were 0.123, 0.125, 0.128, 0.120 and 0.122.What is the standard uncertainty of: (a) a single absorbancereading? (b) the mean absorbance?