# Word Problems: Correlation #3

As a governor, you are interested in how similar are the patterns of serving in the state legislature and being rich. You have measured every representative on both variables, and now hope to find how related these two variables are. The numbers below represent the number of years in the legislature and net worth (in billions) of each member.

Years Net Worth

5 2

11 14

8 5

10 16

5 13

3 8

1 5

What is the sum of Years: _______

What is the SS of Years: _______

What is the variance of Years: _______

What is the mean of Net Worth: _______

What is the SS of Net Worth: _______

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 =

Is there a significant relationship between Years & Net Worth at the .05 alpha level?

Check r against the Critical Values of Pearosn r table

NOW YOU CHOOSE:

Day 5: Correlation

Bit More About Correlation

Even More About Correlation

Calculate Correlation

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Basic Facts About Correlation

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Quiz 5

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