Although Dominick's Psychology Class Is Sometimes Longer or Shorter Than

question 223

Multiple Choice

Although Dominick's psychology class is sometimes longer or shorter than usual,on average each class is 50 minutes.If the lengths of these classes form a normal curve,which statistic would enable Dominick to estimate the probability that any single class will last somewhere between 47 and 53 minutes?

• A) range
• B) median
• C) correlation coefficient
• D) standard deviation

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Definitions:

Participants

Individuals or entities actively involved in a process, activity, or event.

Statistical Generalization

The process of inferring general trends or conclusions from a sample.

Statistical Property

A characteristic or attribute that can be defined or measured statistically, such as mean or variance.

Sample

A small part or quantity intended to show what the whole is like or to be used for testing and analysis.