Hi
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