The Distribution of the Annual Incomes of a Group of Middle

question 111

Multiple Choice

The distribution of the annual incomes of a group of middle management employees approximated a normal distribution with a mean of $37,200 and a standard deviation of $800. About 68 percent of the incomes lie between what two incomes?

• A) $30,000 and $40,000
• B) $36,400 and $38,000
• C) $34,800 and $39,600
• D) $35,600 and $38,800

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Definitions:

Animal Brains

The study of the brains of various animals to understand their structure, functioning, and evolution.

Logical Principle

Fundamental concepts that underlie logical reasoning, often used as the basis for drawing conclusions or making decisions.

Classification

The logical principle that things can be organized into groups (or categories or classes) according to some characteristic that they have in common.

Seriation

The concept that things can be arranged in a logical series, such as the number sequence or the alphabet.