The purpose of the market testing stage is to see if consumers will actually buy the product, so sales is the dependent variable of interest.
20.5, 30, 40.5, 53, 64.5, 78
15, 34, 13, 32, 11, 28
72, 36, 54, 135, 470.5, 2126.25
125, 142, 199, 320, 489, 778
15, 30, 30, 20, 10, 8
16, 10, 12, 20, 48, 107
153, 154, 310, 913, 3736, 18685
96, 100, 86, 108, 80, 116
324, 385, 460, 549, 651, 769
11 110 978 6824 34103 102290