# Word Problems: Correlation #2

As a researcher, you are interested in the relationship between depression and blood sugar. You have measured several patients at the local hospital on each variable, and now hope to find how related these two variables are. Consider the following data:

Depression Blood Sugar

7 2

8 3

11 2

6 8

7 7

3 12

1 14

What is the sum of Depression: _______

What is the SS of Depression: _______

The variance of Depression: _______

What is the mean of Sugar: _______

What is the SS of Sugar: _______

Since you are interested in commonality, which of the following tests should you perform:

a. t-test

b. ANOVA

c. correlation

d. regression

e. multiple regression

Perform the comparison you selected in the item above. Select only the appropriate one(s). What was the result of your calculation?

a =

b =

r =

t =

F =

How much variance is accounted for?

NOW YOU CHOOSE:

Day 5: Correlation

Bit More About Correlation

Even More About Correlation

Calculate Correlation

Practice Problems

More Practice Problems

Word Problems

Sim1 Sim2 Sim3

Sim4 Sim5 Sim6

Sim7 Sim8 Sim9

Basic Facts About Correlation

Vocabulary

Formulas

Quiz 5

Summary

## Comments

Feel free to leave a comment...and oh, if you want a pic to show with your comment, go get a gravatar!