Chris Columbus Is Responsible for Controlling Inventory Levels for Four

question 3

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

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Definitions:

Hypotenuse

The longest side of a right-angled triangle, opposite the right angle, and determined by the square root of the sum of the squares of the other two sides.

Vectors

Quantities that have both magnitude and direction, represented by arrows in physics and mathematics.

Magnitude

Refers to the size or extent of something, often used in the context of numbers, earthquakes, and vectors to denote their strength or value.

Hypotenuse

The longest side of a right-angled triangle, opposite the right angle, calculated with the Pythagorean theorem.