Introductory Statistics

Purpose

Welcome to the page that helps you determine the important characteristics of distributions. In practicing here, you will gain experience in:

• parsing the description for important details
• determine qualities of the random variable
• determine the probability distribution that best matches the described random variable

The Random Variable

Here is the description of the random variable. Think about the description. Ask the important questions. Is this discrete or continuous? Are you describing observations or averages? Does the random variable have limitations? Get to know the random variable by answering these questions. Now that you have your answer, click on the box corresponding to your choice to see if it is the correct answer. Once you do, the explanation (and the correct answer) will show.

the time a person spends at a traffic light

Another Example

Let’s try another example. Click “Refresh” in your browser to get another research hypothesis.