You receive the results of a paired-comparison preference test of four soft drinks from a sample of 200 persons. The results are as follows:
|
|
Koak
|
Zip
|
Pabze
|
Mr. Peepers
|
|
Koak
|
-
|
50*
|
115
|
35
|
|
Zip
|
150
|
-
|
160
|
70
|
|
Pabze
|
85
|
40
|
-
|
45
|
|
Mr. Peepers
|
165
|
130
|
155
|
-
|
*Read as 50 persons preferred Zip to Koak.
1. How do these brands rank in overall preference in this sample?
2. Develop an interval scale for these four brands.