Many Frequency Distributions Use Intervals to Group Data

question 53

Multiple Choice

Many frequency distributions use intervals to group data.For example,the in class exam scores ranged from 90-60 and the professor wants to have at least 6 groupings.What should be the interval?

• A)6
• B)5
• C)7
• D)None of these

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Definitions:

Market Price

The current price at which a good or service can be bought or sold in a marketplace, determined by the forces of supply and demand.

Peak Efficiency

The state or condition in which a system, process, or machine operates at its highest level of effectiveness with minimal waste of resources.

Peak Efficiency

The point at which an operation is performing at its maximum effectiveness without wasting resources.

Marginal Cost

The cost incurred by producing one additional unit of a product or service.