A hypothesis that states that there is no relationship or difference between variables and that any relationship found will be a chance relationship, not a true one, it is a?

A hypothesis that states that there is no relationship or difference between variables and that any relationship found will be a chance relationship, not a true one, it is a?
(a) Deductive hypothesis
(b) Null hypothesis
(c) Directional hypothesis
(d) Research hypothesis
✅ Correct option: (b) Null hypothesis
Explanation: Null hypothesis assumes no significant relationship or difference exists.