Question: Three (3) measurements are obtained for a quantity x: the sample average is x_avg = 25 and sample standard deviation is x_stdev = 1. Next,

Three (3) measurements are obtained for a quantity x: the sample average is x_avg = 25 and sample standard deviation is x_stdev = 1.

Next, three (3) measurements are obtained for a quantity y: the sample average is y_avg = 54 and sample standard deviation is y_stdev = 9.

Then a quantity of interest Q is calculated using the following formula:

Q = 2*(x_avg + y_avg).

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