A Nursery Sells Trees of Different Types and Heights

question 69

Multiple Choice

A nursery sells trees of different types and heights. These trees average 60 inches in height with a standard deviation of 16 inches. Suppose that 75 pine trees are sold for planting at City Hall. What is the standard deviation for the sample mean?

• A) 1.85
• B) 3.41
• C) 4
• D) 16

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Definitions:

Fixed Expenses

Regularly occurring costs that remain constant in total regardless of changes in activity within a relevant period.

Contribution Margin

The difference between a company's sales revenue and its variable costs, serving as a measure of the profitability of individual products.

Monthly Unit Sales

The total number of units of a product sold by a company in a given month, often used to track sales trends and forecast demand.

Variable Costs

Costs that vary directly with the level of production or output, such as raw materials and direct labor expenses.