A group of staff from KEMRI wanted to test a new anti-hunger weight loss pill. They had 10 people rate their hunger both before and after taking the pill. Does the pill do anything? (Use\( \alpha \ = 0.05)

Before After

9 8

9 6

9 1

9 1

2 8

4 9

9 1

5 7

9 4

6 3

Give the test critical value:

(Hint: Use/2)

Give the test statistic(In 2 decimal places):