What is the formula for calculating the chi-square?
What is the formula for calculating the chi-square? Chi-square formula is a statistical formula to compare two or more statistical data sets. It is used for data that consist of variables distributed across various categories and is denoted by χ2. The chi-square formula is: χ2 = ∑(Oi – Ei)2/Ei, where Oi = observed value (actual […]