An Instructor Gives Weekly Tests to One Class and Just

question 84

Multiple Choice

An instructor gives weekly tests to one class and just one midterm exam to another class. Both classes get the same final exam. The instructor compares performances on the final exam to see whether the weekly tests affected students' performance. What is the independent variable in this experiment?

• A) the number of tests before the final
• B) the students' performance on the final exam
• C) the difficulty of each test
• D) the number of students in each class

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Definitions:

Accounts Receivable

The amount that debtors are required to pay to a company for the goods or services they have received but have not yet compensated for.

Accounts Payable

Obligations of a business to pay for goods or services that have been delivered but not yet paid for.

Inventory

The total amount of goods and materials a company holds for the purpose of resale or production, including raw materials, work-in-progress, and finished goods.

Profit Margin

A financial ratio that calculates the amount of net income earned with each dollar of sales by dividing net profit by total revenue.