1.Dependent-samples t-test.A nutritionist is interested in finding out the effect of using Sunshine margarine as part of a low cholesterol diet on consumers' cholesterol level. She decides to conduct an experiment on 9 participants and compare their cholesterol levels before and after 8 weeks of using Sunshine margarine in their daily meals. Use the data that the nutritionist obtained below to determine whether there is a significant difference in consumers' cholesterol levels after 8 week using Sunshine margarine. Test with = .05.

Cholesterol Level

Before

After 8

7

4

9

6

10

5

8

3

6

2

a.Conduct a complete hypothesis test

b.Compute r²

c.Give a full APA style write up of your results