When You Conduct a Paired-Samples T Test, What Is the Null

question 36

Multiple Choice

When you conduct a paired-samples t test, what is the null hypothesis?

• A) The mean of the difference scores is 0 in the population.
• B) One group scored significantly higher than the other.
• C) The mean score is equal to the midpoint of the response scale.
• D) People scored higher on the posttest than on the pretest.

---

Definitions:

Percentage

A percentage is a way of expressing a part of a total amount as a fraction out of 100.

Collect Like Terms

In algebra, the process of combining terms that have the same variables raised to the same power to simplify an expression.

Operation Indicated

Typically refers to performing the specific mathematical operation (addition, subtraction, multiplication, division) suggested by a situation or expression.

Collect Like Terms

A process in algebra involving the simplification of an expression by combining terms that have the same variables raised to the same power.