A Data Set Has a Mean of 70 and a Standard

question 28

Multiple Choice

A data set has a mean of 70 and a standard deviation of 10. Which of the following might possibly be true?

• A) At least 15% of the data values are less than 40 or greater than 100.
• B) More than 90% of the data values are between 40 and 100.
• C) No more than 50% of the data values are between 50 and 90.
• D) No less than 30% of the data values are less than 50 or greater than 90.

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Definitions:

Disrupt-then-reframe Technique

A persuasive strategy that involves introducing an unexpected element to disrupt thinking patterns, followed by a reframing of the situation to influence attitudes or behaviors.

Bargain

An agreement between two or more parties to exchange goods or services for mutually perceived value, often involving negotiation to reach favorable terms.

That's-not-all Technique

A persuasion method where before finalizing a deal, an additional offer is made to make the proposal seem more attractive.

Reciprocal Concessions

A negotiation strategy where each party makes compromises to reach an agreement, often strengthening the relationship through mutual sacrifice.