Question 607696: For the following scores, find the (a) mean, (b) median, (c) sum of squared deviations, (d) variance, and (e) standard deviation:
1,112; 1,245; 1,361; 1,372; 1,472
Answer by ewatrrr(24785) (Show Source):
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1,112; 1,245; 1,361; 1,372; 1,472
Mean 1312
Median 1361
sum of squared deviations: 76090
x m diff squared
1112 1312 -200 40000
1245 1312 -67 4489
1361 1312 49 2401
1372 1312 60 3600
1472 1312 160 25600
76090
Sample Variance 19022
Standard Deviation 137.92
Recommend either a Calculator or Excel's Data Analysis Tool
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