The Principal of a Small Elementary School Wants to Select

question 14

Multiple Choice

The principal of a small elementary school wants to select a simple random sample of 24 students.The school has 12 classrooms with 18 students in each class.She decides to
Randomly select two students from each classroom.Is this a simple random sample?

• A)Yes, because a stratified sample is a type of simple random sample.
• B)Yes, because the students were selected at random.
• C)Yes, because each student had an equal chance to be selected.
• D)No, because not all combinations of 24 students could have been chosen.
• E)No, because each student did not have an equal chance of being selected.

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Definitions:

Fixed Overhead

Costs that do not change with the level of production or sales activities, such as rent, salaries, and insurance.

Budget Variance

The difference between the budgeted or planned amounts and the actual amounts incurred.

Standard Cost

A predetermined cost of manufacturing a single unit or a number of product units during a specific period under normal conditions.

Variable Overhead

Costs that vary with production volume, such as utilities or materials, which do not remain fixed over time.