Unit 1 Vocabulary Quiz

1. A ________ looks at just one thing or type of information to see what it’s like, such as finding the average test score in a class.

• A. Bivariate research question

• B. Multivariate research question

• C. Descriptive research question

• J. Univariate research question

A ________ looks at two different things to see if they are related, like checking if students who study more get better grades.

• A. Univariate research question

• B. Descriptive research question

• C. Bivariate research question

• D. Experimental research question

When checking if information is good or bad, we need to know the difference between ________ sources that we can trust and ________ sources that might be wrong.

• Reliable versus unreliable sources

• True versus false sources

• Accurate versus inaccurate sources

• Valid versus invalid sources

4. A ________ is a group of people or things chosen so that it represents a larger group accurately.

• A. Random sample

• B. Biased sample

• C. Control group

• G. Representative sample

An ________ is a number that is much higher or lower than most of the other numbers in a group.

• Outlier

• Median

• Mode

• Average

The ________ is found by adding up all the numbers and then dividing by how many numbers there are.

• Mean

• Median

• Mode

• Range

The ________ is the middle number when all the numbers are lined up from smallest to largest.

• Mean

• Mode

• Range

• Median

The ________ is the number that appears the most in a group of numbers.

• A. Mean

• B. Median

• C. Range

• D. Mode

The ________ of a group of numbers is where most of the numbers are grouped around.

• Center

• Edge

• Outlier

• Periphery

The ________ of a group of numbers describes how the numbers are spread out, like if they are evenly spread or if they pile up on one side.

• Mean

• Median

• Mode

• Distribution