Question

phi coefficient in 50 words​

Answer 1

Answer:

Explanation:

In statistics, the phi coefficient (or mean square contingency coefficient and denoted by φ or rφ) is a measure of association for two binary variables. Introduced by Karl Pearson,[1] this measure is similar to the Pearson correlation coefficient in its interpretation. In fact, a Pearson correlation coefficient estimated for two binary variables will return the phi coefficient.[2] The square of the phi coefficient is related to the chi-squared statistic for a 2×2 contingency table

Answer 2

the phi ciffcient is mean a square in a measure of association