The Distribution of Scores on a Test Is Mound-Shaped and Symmetric

question 118

Multiple Choice

The distribution of scores on a test is mound-shaped and symmetric with a mean score of 78. If 68% of the scores fall between 72 and 84, which of the following is most likely to be the standard deviation of the distribution?

• A) 6
• B) 2
• C) 12
• D) 3

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Definitions:

Self-awareness

The recognition of one's own emotions, thoughts, and values, and understanding how they influence behavior.

Singular First-person Pronouns

Pronouns referring to the speaker themselves, such as "I" and "me."

Management Class

Educational courses or modules dedicated to teaching the principles, strategies, and practices of effective management.

Prime

To prepare or make someone ready for something, particularly in psychological experiments where exposure to a stimulus influences response to a later stimulus.