Question

Compute the Pearson correlation for the following data.

X Y

7 3

3 1

6 5

4 4

5 2

Answer #1

Solution:-

X : 7,3,6,4,5

Y : 3,1,5,4,2

The Pearson correlation r = 0.5

Compute the Pearson Correlation coefficient for the following
data (SSx= 10, and SSy= 10 )
X
Y
2
3
3
1
6
5
4
4
5
2

For the data below, compute the Pearson correlation and find the
regression equation for predicting Y from
X.
X Y
1 2
2 3
4 2
5 6
8 7
Part 1:
What is SSX?

Find the Pearson Correlation for the following data. X Y 1 3 1 2
2 4 2 5 3 5 3 6

Questions 6 to 10 are
based on the problem below:
Compute the Pearson
Correlation Coefficient, r, for the following data
X
Y
2
3
3
1
6
5
4
4
5
2
The Pearson
Correlation, r is

Determine the Pearson product-moment correlation coefficient for
the following data.
x 1 10 9 7 5 3 2
y 8 4 6 5 7 7 8
(Do not round the intermediate values. Round your answer to 3
decimal places.)
Correlation coefficient, r =

Determine the Pearson product-moment correlation coefficient for
the following data.
x
1
11
9
6
4
3
2
y
10
4
6
5
7
7
10
(Do not round the intermediate values. Round your
answer to 3 decimal places.)
Correlation coefficient, r =

Determine the Pearson product-moment correlation coefficient for
the following data.
x 1 11 9 6 4 3 2
y 10 4 5 5 7 7 8
(Do not round the intermediate values. Round your answer to 3
decimal places.)
Correlation coefficient, r =

Determine the Pearson product-moment correlation coefficient for
the following data.
x 1 11 9 8 5 3 2
y 9 4 5 5 7 7 10
(Do not round the intermediate values. Round your
answer to 3 decimal places.)
Correlation coefficient, r =

Given the following sample data set.
X= 2 3 5 6 6
Y= 10 9 7 4 2
a. Draw a scatter diagram of the data. (using Ti 84)
b. Compute the correlation coefficient r. Then use 0.05
significance level to test whether there is a linear correlation
between x and y. (using Ti 84)

Compute the linear correlation coefficient from the given table.
X 1 2 4 6 7 Y 17 13 9 6 4

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