The Following Represent the Ages of Students in a Class

question 1

Multiple Choice

The following represent the ages of students in a class: 19, 23, 21, 19, 19, 20, 22, 31, 21, 20
If a stem and leaf plot were to be developed from this, how many stems would there be?

• A)2
• B)3
• C)4
• D)5
• E)10

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Definitions:

Variable Cost

Costs that move in correspondence with the quantity of products made or services sold.

Fixed Costs

Expenses that do not vary with production volume or business activity level, such as rent, salaries, and insurance premiums.

Operating Leverage

A measure of how revenue growth translates into growth in operating income, indicating the extent to which a firm uses fixed versus variable costs.

Variable Cost

Costs that change in proportion to the level of output or activity in a business.