Excel for Stats
In Excel:
Mean = Average or =Avg( begining cell : ending cell)
Standard Deviation of a Sample =StDev ( begining cell : ending cell)
Standard Deviation of a Population =StDevp( begining cell : ending cell)
Variance of a Sample ................. =Var ( begining cell : ending cell)
Variance of a Population ............. =VarP( begining cell : ending cell)
remember Var = SD^2
Number of Observations ............ =Count( begining cell : ending cell)