ID	Before	After
1	1.2	1.7
2	0.8	1.5
3	1.1	2
4	0.7	2.1
5	0.9	1.1
6	1.1	0.9
7	1.5	2.2
8	0.8	1.8
9	1.6	1.3
10	0.9	1.5

1. How to test "Does this special meal decreases serum uric acid level?"

Use both rejection region and p-value approaches. Alpha=0.05

2. How to test "Does this special meal increase serum uric acid level?"

Use both rejection region and p-value approaches. Alpha=0.05

3.Use the SPSS output table below as a reference and solve the above two questions (question 1 and Question 2). The result should be similar to the above two questions' answers.

Paired Samples Test Paired Differences 95% Confidence Interval of the Difference Std Error Mean Std. Deviation Mean Lower Upper Sig. (2-tailed) Pair 1 Before - After - 55000 52757 16683 -.92740 -.17260 -3.297 9 009