A Random Sample of 30 Business Students Required an Average

question 15

Multiple Choice

A random sample of 30 business students required an average of 43.4 minutes to complete a statistics exam. Assume that the population standard deviation to complete the exam was 8.7 minutes. The margin of error for a 98% confidence interval around this sample mean is ------.

• A)3.12
• B)3.70
• C)2.04
• D)2.62

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Definitions:

Weapons Effect

The escalation of aggressive behavior simply due to the presence of a weapon.

Personalization Bias

The tendency to relate external events to oneself, even when there is no basis for making such a connection.

Violent Media

Media content that depicts acts of physical force intended to harm or kill, which can influence viewers' attitudes and behaviors.

World Violence

Acts of aggression and conflict that occur across different regions of the globe.