Statistics د:محمد عبد الجليل Redox theory أ.د.حريه Redox application أ.د.حسن عزقل Complexometry أ.د.سميحه. STATISTICS. Error : deviation from the absolute value .
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= (10.1 + 9.9 + 9.8 + 10.2 + 10.1) / 5 = 10.02 ml.
Relative Error = (-0.10/2.62) x 100% = - 3.8 %
Relative Mean Error= ( 0.12/9.9) x 100% = 1.21%
cannot be determined or corrected.
Precision :The agreement between several measurements of the same substance.
It is the difference between the highest measurement and the lowest one.
7.08, 7.21, 7.12, 7.09, 7.16, 7.14, 7.07, 7.14, 7.18, 7.11.
The difference (a) between the suspect number (the outlier) and its nearest neighbour number is divided by:
at different confidence levels