Not true about chi- square test is-
Ref: Parks 23rd edition pg 852 Chi-square test offers an alternate method of testing the significance of difference between two propoions. Advantage: it can also be used when more than 2groups are to be compared.
Tests the significance of difference between two propoions
Tells about presence or absence of an association between two variables
Directly measures the strength of association
Can be used when more than two groups are two be compared
Biostatistics