1. Is there a significant difference among the sales of three different brands of shampoo?
1.1 NULL HYPOTHESIS: There is no significant difference among the sales of the three different brands of shampoo.
1.2 ALTERNATIVE HYPOTHESIS: There is a significant difference among the sales of the three different brands of shampoo.
2. Is there a significant relationship between the weight and height of PBA players?
2.1 NULL HYPOTHESIS: There is no significant relationship between the weight and height of PBA players.
2.2 ALTERNATIVE HYPOTHESIS: There is a significant relationship between the weight and height of PBA players.
3. Is there a significant difference between the initial weight and final weight of females?
3.1 NULL HYPOTHESIS: There is no significant difference between the initial weight and final weight of females.
3.2 ALTERNATIVE HYPOTHESIS: There is a significant difference between the initial weight and final weight of females.