Chris Columbus Is Responsible for Controlling Inventory Levels for Four

Multiple Choice

Chris Columbus is responsible for controlling inventory levels for four types of sailboats sold by his company. Chris takes a sample of 48 boats sold over the past
Several months to determine if demand is the same for each type. His results are as
Follows: $$\begin{array} { l l } \text { Type of Boat } & \text { Sales } \\\text { Pirate's Revenge } & 15 \\\text { Jolly Roger } & 11 \\\text { Sails Delight } & 10 \\\text { Cruiser Cove } & 12\end{array}$$ The calculated value of the Chi Square statistic is

A) 7.815
B) 1.17
C) 22.35
D) -1.17
E) 12.56