If a Set of Scores Has a Mean of 45

question 55

Multiple Choice

If a set of scores has a mean of 45 and a standard deviation of 9,then the scores have a variance of ____.

• A)​3
• B)​4.5
• C)18
• D)​81

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Definitions:

Direct Approach

A communication method where the main idea or purpose of the message is stated immediately at the beginning.

Telephone Claims

Requests or reports made over the phone, typically to insurance companies, about damages or losses.

Express Emotion

The process of conveying one's feelings to others through words, actions, or expressions.

Claim Promptly

The act of quickly reporting or making a formal request, often in the context of customer service or insurance, to address an issue or to receive benefits.