A History Professor Gives a Quiz to His Class and Records

question 84

Multiple Choice

A history professor gives a quiz to his class and records the following scores: 13, 11, 11, 9, 12, 13, 16, 14, 11, 10, 8, 13, 20. The mean for this distribution is _________.

• A) 12.38
• B) 13.42
• C) 18.05
• D) 11.50

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Definitions:

Statement Form

A type of logical expression that, when its variables are replaced with specific statements, becomes a statement that can be evaluated as true or false.

Cactus Plants

Succulent plants known for their thick, fleshy parts adapted to store water, often found in arid environments.

True Leaves

The first set of leaves that emerge from a plant's embryo following the cotyledons, typically showing the plant's definitive leaf form.

Insects

A class of small arthropod animals that have a segmented body, three pairs of legs, and typically one or two pairs of wings.