An Instructor Gives Weekly Tests in One Class and Just

question 134

Multiple Choice

An instructor gives weekly tests in one class and just one midterm exam to a second class and then compares performances of students in the two classes when they all take the same final exam. What is the dependent variable in this experiment?

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

---

Definitions:

Complex Fraction

A fraction in which either the top number, bottom number, or both are themselves fractions.

Complex Fraction

A complex fraction is a fraction in which the numerator, the denominator, or both contain fractions themselves.

Simplify

The process of altering an expression to make it easier to work with, often by combining like terms or using mathematical properties.

Division

A mathematical operation represented by the symbol ÷ or /, involving the process of dividing one number by another.