An Analysis of the Grades on the First Test in History

question 30

Multiple Choice

An analysis of the grades on the first test in History 101 revealed that they approximate a normal curve with a mean of 75 and a standard deviation of 8. The instructor wants to award the grade of A to the upper 10 percent of the test grades. What is the dividing point between an A and a B grade?

• A) 80
• B) 85
• C) 90
• D) 95
• E) None of the choices are correct

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Definitions:

Social Interactions

Exchanges between two or more individuals, involving communication or other forms of engagement.

Successful Long-term Relationships

Romantic partnerships characterized by mutual respect, love, and the ability to resolve conflicts constructively, lasting over a prolonged period.

Best Behavior

This term describes how individuals act in their most polite, courteous, or well-mannered way, typically in socially important situations.

Attachment Drive

An innate psychological mechanism that drives individuals to seek closeness and bonding with significant others for emotional security.