Page 132 - Quantitative Data Analysis

Quantitative Data Analysis
Simply Explained Using SPSS

25 3.1
27 3.4
22 3.5
25 3.2

a. Draw the scatter plot of the data.

b. Calculate the following statistics:

a. ̅
b.

c. ̅
d.

e.
f.

g. Interpret the form, direction, and strength of the
correlation.

h. What is the co-efficient of determination?

7. The data represent scores for 9 subjects on two different
personality tests; a test for depression and a test for
anxiety (high scores indicate depression and anxiety). (s X =
3.03, s Y = 2.30).
Depression Test Scores Anxiety Test Scores
X Y
10 7
9 8
9 6
8 9
6 4
5 6
5 5

The Theory and Applications of Statistical Inferences 116