In the experimental measurement of the atomic mass of carbon, the following 11 results were obtained: 12.0112; 12.0210; 12.0102; 12.0118; 12.0111; 12.0106; 12.0113; 12.0101; 12.0097; 12.0095; 12.0080.
A) Calculate the average
B) Calculate the absolute value of the standard deviation
C) Express the atomic mass of carbon using confidence limits at 95% probability
D) an additional result of 12.0138 is received. Can it be discarded or should it be included in the calculated data as acceptable?
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