what-is-the-formula-for-calculating-the-chi-square-statistic

Question

What is the formula for calculating the Chi-Square statistic?

Accepted Answer

Sum of (Observed - $$Expected)^2 / $$Expected

Answer

Sum of (Observed - $$Mean)^2 / $$Variance

Answer

Sum of (Observed - $$Expected)^2 / $$Variance

Answer

Sum of (Observed - $$Mean)^2 / $$Expected