Suppose a School District Decides to Randomly Test High School

question 245

Multiple Choice

Suppose a school district decides to randomly test high school students for attention deficit
Disorder (ADD) . There are three high schools in the district, each with grades 9-12. The school
Board pools all of the students together and randomly samples 250 students. Is this a simple
Random sample?

• A) No, because we can't guarantee that students from each school in the sample.
• B) No, because we can't guarantee that students from each grade in the sample.
• C) Yes, because the students were chosen at random.
• D) Yes, because they could have chosen any 250 students from the district.
• E) Yes, because each student is equally likely to be chosen.

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Definitions:

Statement of Financial Position

The statement of financial position, often called a balance sheet, is a financial report that shows a company's assets, liabilities, and shareholders' equity at a specific point in time.

Current Liabilities

Obligations or debts that a company must pay within a year.

Normal Balance

the side (debit or credit) on which increases to an account are recorded, based on the type of account (asset, liability, equity, revenue, or expense).

Contra-Asset

An account that offsets or reduces the balance of a related asset account, such as accumulated depreciation.