i need help on #4 , a statement has to be written with it

The formula for numbers 3 and 4 is: D SD 3. The performance of 9 students on a spelling test was noted before and after viewing a computerized teaching method to improve spelling. The number of spelling mistakes before and after viewing the new method are listed in the table below. Can it be determined at a = 0.05, that the new method helped in reducing spelling mistakes? Student 2 5 5 7 8 9 Before 3 8 2 0 7 6 5 After 6 4 3 0 6 5 6 4. Researchers want to test a new anti-hunger weight loss pill. They have 6 people rate their hunger both before and after taking the pill. Can it be determined at a = 0.05, that there is a difference in hunger after taking the pill? Person N Before 10 After 7 6 5 A 4 6