The results of the analysis of a metal alloy were reported in terms of percent Cu (%Cu). The values obtained are 17.34%, 17.33%, 17.28%, 17.29%, 17.36%. The expression of the central value significant to chemists is the arithmetic mean (or average) is the sum of the measured values, x;, divided by the n, number of replicate measurements. (x, + x, + x, +...+x, Ex, n a. The mean or the average %Cu is
The results of the analysis of a metal alloy were reported in terms of percent Cu (%Cu). The values obtained are 17.34%, 17.33%, 17.28%, 17.29%, 17.36%. The expression of the central value significant to chemists is the arithmetic mean (or average) is the sum of the measured values, x;, divided by the n, number of replicate measurements. (x, + x, + x, +...+x, Ex, n a. The mean or the average %Cu is
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Transcribed Image Text:The results of the analysis of a metal alloy were reported in terms of percent Cu (%Cu). The values
obtained are 17.34%, 17.33%, 17.28%, 17.29%, 17.36%.
The expression of the central value significant to chemists is the arithmetic mean (or average) is the sum of
the measured values, x;, divided by the n, number of replicate measurements.
x, +x, + x, +...+:
Ex
n
a. The mean or the average %Cu is
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