Chi-square test is used for: (A) Comparing percentage, propoions & fractions in paired data, (B) Comparing percentage, propoions & fractions in two or more different group of individuals, (C) Comparing percentage, propoions & fractions in matched paired data, (D) Comparing percentage, propoions & fractions in two unpaired samples
Answer is B. - Chi-square test is used for comparing percentage, propoions & fractions in two or more different group of individuals. - Degree of freedom = - more accurate