Difference between revisions of "Documentation/How Tos/Calc: DEVSQ function"
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: returns <tt>'''8'''</tt>, calculated as (-2)<sup>2</sup> + 0 + (2)<sup>2</sup>. | : returns <tt>'''8'''</tt>, calculated as (-2)<sup>2</sup> + 0 + (2)<sup>2</sup>. | ||
| − | + | {{Documentation/SeeAlso| | |
| − | [[Documentation/How_Tos/Calc: VAR function| | + | * [[Documentation/How_Tos/Calc: VAR function|VAR]], |
| − | [[Documentation/How_Tos/Calc: STDEV function| | + | * [[Documentation/How_Tos/Calc: STDEV function|STDEV]], |
| − | [[Documentation/How_Tos/Calc: AVEDEV function| | + | * [[Documentation/How_Tos/Calc: AVEDEV function|AVEDEV]], |
| − | [[Documentation/How_Tos/Calc: AVERAGE function| | + | * [[Documentation/How_Tos/Calc: AVERAGE function|AVERAGE]] |
| − | [[Documentation/How_Tos/Calc: Statistical functions| | + | * [[Documentation/How_Tos/Calc: Statistical functions|Statistical functions]] |
| − | [[Documentation/How_Tos/Calc: Functions listed alphabetically| | + | * [[Documentation/How_Tos/Calc: Functions listed alphabetically|Functions listed alphabetically]] |
| − | [[Documentation/How_Tos/Calc: Functions listed by category| | + | * [[Documentation/How_Tos/Calc: Functions listed by category|Functions listed by category]]}} |
Revision as of 13:43, 25 February 2009
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.
