Friedman F test
Repeated ranks
Steps
for example of data set:
Three different advertising media T.V., Radio and Newspaper are being compared to study the effectiveness in promoting sales of WaiWai noodles. Each advertising media is exposed for specified period of time and sales (000 package) from 10 stores located at different areas are recorded.
A
B
C
D
E
F
G
H
I
J
T.V.
20
21
15
12
14
17
21
16
20
18
Radio
7
9
11
12
10
10
14
12
8
7
NewsPaper
8
6
11
12
9
6
8
10
8
6
Are three advertising media equally effective in promoting sales of WaiWai noodles? Use Friedman two-way ANOVA test.
Goto variable view and add the variables
Variable view in label
label
Goto the data view and add the data
Click on Analyze tab > NonParametric Tests > Legacy Dialogs > k Related Samples.
Step Add the required variable in Test Variable List and click OK.
Dialog Required Output:
Output
Last updated
Was this helpful?