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

---

Definitions:

Documentation

The written or printed material that provides official information or evidence or that serves as a record.

Visual

Pertaining to sight or the ability to see, often used in the context of graphical or pictorial representation of information or concepts.

Verifying Quality

The process of checking and ensuring that a product, service, or system meets specified standards or requirements.

Business Messages

Communications conveyed within or outside a business, typically involving information related to operations, services, or products.