
Variance and Standard Deviation
Variance (var) and standard deviation (stdev) are basic statistical concepts. Both tools measure variability within a dataset. Variance Variance measures...

Basic Statistics
Median, mean, mode, and range are basic statistical measurements. Mean Mean measures the average of a dataset. Calculation: 1. add...

Statistics
Statistics Statistics is the field concerned with collecting, organising, describing, and analysing of data. This data is then interpreted and...