Which of the following research questions could be answered

Which of the following research questions could be answered using a chi-square test of independence? (Points :

1) Do more female students than male students sit in the front of the classroom?
2. Do children who are taller weigh more?
3.Does one\'s high school grade point average influence one\'s college grade point average?
4.Does one\'s years of education relate to one\'s salary?

Solution

Chi square for inependence can be used for option 4

Null Hypothesis Years of education and salary are independent..

Alternate Hypothesis Years of education and salary are not independent.