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SAS
In Class Exercise 5
1.
Given the following data:
X
Y
Z
7
13
7
8
12
5
3
4
14
4
7
10
.
(a)
Compute the Pearson correlation coefficient between X and Y; X and Z. What is the
significance of each?
(b)
Generate a plot of Y versus X.
2.
For the data set in problem 1, fit a simple linear regression with Y (response) on X
(explanatory variable).
a)
Calculate R
2
?
b)
Estimate the standard deviation.
c)
Is the fitted linear model significant?
d)
What are the estimated coefficients? Are they significantly different from zero? Find
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This note was uploaded on 06/06/2011 for the course STAT 4360 taught by Professor Park during the Spring '11 term at UGA.
 Spring '11
 Park
 Correlation, Correlation Coefficient

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