DEVSQ function
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Spreadsheet Lookup functions
Measures of dispersion / spread
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See also (in the Arrays Functions category); GROWTH, LINEST, LOGEST, TREND
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DEVSQ
Returns the sum of squares of deviations from the mean.
Syntax:
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:
.
Example:
DEVSQ(1; 3; 5)
- returns 8, calculated as (-2)2 + 0 + (2)2.
See Also
