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 correct null hypothesis to be tested is
A) Type of boat and demand are related.
B) The demand differs for each type of boat.
C) The demand is the same for each type of boat.
D) Both A and B.
E) Both A and C.

Question

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 correct null hypothesis to be tested is
A) Type of boat and demand are related.
B) The demand differs for each type of boat.
C) The demand is the same for each type of boat.
D) Both A and B.
E) Both A and C.

Quizplus · Accepted Answer

The correct null hypothesis for testing if the demand is the same across different types of boats would state that there is no difference in demand among the types, which is what option C suggests. The null hypothesis typically posits no effect or no difference.

Chris Columbus Is Responsible for Controlling Inventory Levels for Four