CALCULATOR
Three Pairs Population Covariance Calculator
Three Pairs Population Covariance Calculator — Exactly three whole-number pairs, population divisor three; no inference.
Exactly three whole-number pairs, population divisor three; no inference. Calculations use finite-precision arithmetic.
Accepted inputs: X1 value: -1,000 to 1,000 number; X2 value: -1,000 to 1,000 number; X3 value: -1,000 to 1,000 number; Y1 value: -1,000 to 1,000 number; Y2 value: -1,000 to 1,000 number; Y3 value: -1,000 to 1,000 number.
How the calculation works
The sum over three pairwise difference products equals three times the centered cross-product sum; divide by nine for population covariance.
Worked example
With x1 value 1 number, x2 value 2 number, x3 value 4 number, y1 value 2 number, y2 value 5 number, y3 value 6 number, result is 1.888888889 number².
Assumptions and limits
Exactly three whole-number pairs, population divisor three; no inference. Calculations use finite-precision arithmetic.