Question
Find the variance of the following data points:
6, 7, 5, 9, 11, 14Solution
6, 8, 5, 10, 11, 14 Mean = (5+6+8+10+11+14)/6 =54/6=9 6, 8, 5, 10, 11, 14 Deviation= Â Â 3, 1, 4, 1, 2, 5Â Â Â Â Â Â Â Â Â variance =(Deviation)2 Variance = (9+1+16+1+4+25)/6 =56/6 =28/3.
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