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Find Mean, Median and Mode for ungrouped data
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 Find Mean Find Quartile Find Median Find Deciles Find Mode Find Percentiles Find Population Variance (sigma^2) Find Sample Variance (S^2) Find Population Standard deviation (sigma) Find Sample Standard deviation (S) Find Population Coefficient of Variation Find Sample Coefficient of Variation Find Population Skewness Find Sample Skewness Find Population Kurtosis Find Sample Kurtosis Find Geometric mean Find Harmonic mean

Standard deviation sigma formula -
1. Auto Select method
2. Method-1 : sigma = sqrt((sum x^2 - (sum x)^2/n)/n)
3. Method-2 : sigma = sqrt((sum (x - bar x)^2)/n)
Or sigma = sqrt((sum dx^2 - (sum dx)^2/n)/n)
1. 85,96,76,108,85,80,100,85,70,95
2. 3,13,11,15,5,4,2
3. 3,23,13,11,15,5,4,2
4. 69,66,67,69,64,63,65,68,72
5. 4,14,12,16,6,3,1,2,3
6. 73,70,71,73,68,67,69,72,76,71
7. 10,50,30,20,10,20,70,30
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