The impact of three different advertising techniques is being studied by a marketing firm.
Sales, in thousand dollars, categorized in four groups are shown for each advertising technique for 200 randomly selected customers exposed to each technique in Table. Can we conclude that the advertising technique has an impact on sales? Use α= 0.10. What is the p-value?
|
Sales(thousands)
|
Technique 1
|
Technique 2
|
Technique 3
|
|
0-99
|
60
|
40
|
75
|
|
100-199
|
85
|
30
|
70
|
|
200-299
|
20
|
70
|
30
|
|
300-399
|
35
|
60
|
25
|