A Buffalo, New York, cola distributor is featuring a super-special sale on 12-pa

Question

A Buffalo, New York, cola distributor is featuring a super-special sale on 12-packs. She wonders where in the grocery store to place the cola for maximum attention. Should it be near the front door of the grocery stores, in the cola section, at the checkout registers, or near the milk and other dairy products? Four stores with similar total sales cooperated in an experiment. In one store, the 12-packs were stacked near the front door, in another they were placed near the checkout registers, and so on. Sales were checked at specified times in each store for exactly four minutes. The results were:

  Reject H0 if F> _______

A Buffalo, New York, cola distributor is featuring a super-special sale on 12-packs. She wonders where in the grocery store to place the cola for maximum attention. Should it be near the front door of the grocery stores, in the cola section, at the checkout registers, or near the milk and other dairy products? Four stores with similar total sales cooperated in an experiment. In one store, the 12-packs were stacked near the front door, in another they were placed near the checkout registers, and so on. Sales were checked at specified times in each store for exactly four minutes. The results were:

Cola at the Door In Soft Drink Section Near Registers Dairy Section $10 $7 $3 $9 13 8 5 6 12 15 6 8 7 9 7 6 14 2 11

Explanation / Answer

Here i have solved the problem with excel and got the following output

Reject H0 if F> 3.287

HEre F > 3.287 so we will reject the null hypothesis and can say that sales are different if milk is placed at different placess. It is more chances if it is placed in soft drink section or cola at the door.

Anova: Single Factor SUMMARY Groups Count Sum Average Variance Cola at the Door 4 42 10.5 7 In Soft Drink Section 6 64 10.66667 10.66667 Near Registers 5 23 4.6 4.3 Dairy Section 4 29 7.25 2.25 ANOVA Source of Variation SS df MS F P-value F crit Between Groups 125.822 3 41.940 6.400 0.0052 3.287 Within Groups 98.2833 15 6.5522 Total 224.1053 18

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