2. Total 15% Marks: A brewing company wishes to launch a new energy drink. Following sales fopr its 2 stores were gathered: Sales lCHFl Freguency Store A Store B 0 2.5 2? 1 2.5 5 114 3 5 7.5 333 31 7.5 10 530 142 10 12.5 504 328 12.5 15 334 498 15 17.5 121 504 17.5 20 29 351 20 22.5 5 110 22.5 - 25 2 29 25 27.5 1 3 2000 2'000 a). Compute the mean consumer expenditure in each store b). Compute the relative variability (Coefficient of Variation) of Consumer expenditure in each store c). Which Supermarket store provides the best opportunity for a successful promotion of the new energy drink