4. The results of the analysis of a metal alloy were reported in terms of percent Cu (%Cu). Thevalues 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) isthe sum of the measured values, x;, divided by the n, number of replicate measurements.7 = (1tr2+x3+» ·+xn%3Da. The mean or the average %Cu isb. The deviation from the mean, d;, is the difference (regardless of sign) between theexperimental value and the arithmetic mean. The deviation is always the absolute value of thedifference between the experimental data and the mean.d; =| x; -The deviation of the experimental data 17.29% from the mean is

Mean = Sum of all the terms / Total no of terms

4. 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. n a. The mean or the average %Cu is b. The deviation from the mean, d;, is the difference (regardless of sign) between the experimental value and the arithmetic mean. The deviation is always the absolute value of the difference between the experimental data and the mean. d; =| a; – | The deviation of the experimental data 17.29% from the mean is

4. 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. n a. The mean or the average %Cu is b. The deviation from the mean, d;, is the difference (regardless of sign) between the experimental value and the arithmetic mean. The deviation is always the absolute value of the difference between the experimental data and the mean. d; =| a; – | The deviation of the experimental data 17.29% from the mean is

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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With Correct sig figs
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