Zoe is curious how many goals her soccer team usually scores in a game. To answer the question, she walks through the process of finding the median of a data set in this step-by-step presentation. Examples are included that model how to...

Sam is running for class treasurer and Zoe wants to know if he won the election. Follow along as she counts up the votes and uses the mode to determine the winner. After viewing the presentation, work through the Try It! practice...

The teacher illustrates several ways to look at what the domain is in a set of numbers. Input, output, table, graphs, and diagrams are a few of the ways in which she illustrates the meaning of domain.

Applying algebra and geometry skills, a set of problems tests the viewer with questions about area, radius, and proportions. An excellent review for even the most confident future math teacher, the video is sure to help with the correct...

How do you find an average of something? Watch this video and see how you can add up all your elements then divide by the number of elements you added up. So simple!

A function means that every element of the domain is paired with exactly one element in the range. The teacher illustrates this by using a table for the given set of numbers.

Looking for the range of a set of numbers? Well, that means you are looking for the difference between the largest value and the smallest value. So first, write the numbers in order from least to greatest. Then identify the largest value...

Mean, mode, median? What's the difference? How do you find them? The teacher focuses on explaining median in this video. She gives a good explanation and shows several examples using different sets of numbers.

There are eight decimals numbers in this data set. Find the mean. So add all the terms together and then divide that total number by the number of terms in the data set. That's how you find the mean or average of a data set.

You already know that the mode of a data set is the number that occurs most often in the set. But what if all of the numbers in the set occur the same number of times? I could tell you the answer, but I think you should watch the video.

Mean, mode, median? What's the difference? How do you find them? The teacher focuses on explaining median in this video. She gives a good explanation and shows how to order a data set to find the median number. This given data set has an...

Finding the domain and range of the inverse of a relation can be tricky, unless you know the correct steps! It's not that complicated. Watch this video and see how the instructor does the inverse of a relation before writing the domain...

If a relation is to be considered a function then the values in the domain can only appear once in the table. It does not matter how many times a value appears in the range. Set up a table using the given values to check and see if the...

You already know that the mode of a data set is the number that occurs most often in the set. But what if all of the numbers in the set occur the same number of times? I could tell you the answer, but I think you should watch the video.

The data sample comes from the number of glasses of water consumed each day by 15 students. You are trying to find minimum, maximum, median, and quartile from this data set. Minimum is the smallest number that occurs, while maximum is...

Mode, the number that occurs most often. A data set could have one mode, no modes, or multiple modes. The teacher explains these variations and even gives some example of non-numerical data and how to figure out the mode.

Looking for the range of a set of numbers? Well, that means you are looking for the difference between the largest value and the smallest value. So first, write the numbers in order from least to greatest. Then identify the largest value...

The teacher illustrates several ways to look at what the domain is in a set of numbers. Input, output, table, graphs, and diagrams are a few of the ways in which she illustrates the meaning of domain.

The teacher gives a very thorough explanation of numerical or quantitative data being anything where the answer to a question would be a number. Whereas any other answer might be considered categorical. She shows several different ways...

A function means that every element of the domain is paired with exactly one element in the range. The teacher illustrates this by using a table for the given set of numbers.

So do you really want to know how to find a rational number between two given fractions? The teacher explains how to average the two fractions to find a rational number between the two fractions. There are several steps involved in...

A straightforward explanation of domain and range. The domain of a set of coordinates are the X-values, and then range are the Y-values of the set.

Mean, mode, median? What's the difference? How do you find them? The teacher focuses on explaining median in this video. She gives a good explanation and shows several examples using different sets of numbers.

Calculating an average is discussed in this excellent presentation. Using a real-life example, scores on a test, the instructor leads viewers through an exploration of ways to find the average number in a group of numbers.