Documentation/How Tos/Calc: DEVSQ function
From Apache OpenOffice Wiki
Returns the sum of squares of deviations from the mean.
DEVSQ(number1; number2; ... number30)
- number1 to number30 are up to 30 numbers or ranges containing numbers.
- DEVSQ calculates the mean of all the numbers, then sums the squared deviation of each number from that mean. With N values, the calculation formula is:
DEVSQ(1; 3; 5)
- returns 8, calculated as (-2)2 + 0 + (2)2.