What is a Bar Graph?

What is a Bar Graph? Bar graphs are one of the best ways to show a lot of data all in the same image. It is a simple way to show different kinds of data, changes in data over time, or compare lots of things all on the same chart. It is easy to learn, […...

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Mean, Median, Mode, In Reverse

When we are first taught about mean, median, and mode in algebra our first homework problems typically go something like this: Find the mean median and mode of the following set of numbers, 2, 5, 6, 6, 8, 10, 12. Everything is a whole number, they are already ...

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How to Find the Mean

How do you find the mean of a set of numbers? It is one of the more labor intensive values you can find about a data set. Order is not important, but there are two key things to be looking for. Let’s take a look at how to find the mean. How to Find the [...

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How to Find the Median

How do you find the median of a large group of numbers? The first step is you have to list the numbers in order from least to greatest. Then we find the middle value, which is the median. Some times there is a catch. If there is an even amount of numbers in th...

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How to Find the Mode

How do you find the mode of a set of numbers? The good news is you don’t have to rearrange the whole set of numbers to find the range. You do however have to check each value to see which one occurs most often in a set. Remember, it is ok to have multipl...

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How to Find the Range

How do you find the range of a set of numbers? The good news is you don’t have to rearrange the whole set of numbers to find the range. You do however have to find the biggest and smallest number in the set. Let’s take a look at how to find the ran...

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How to Find the Midrange

How do you find the midrange of a set of numbers? Midrange and Range are similar, but different. They’re easy to get confused so we’ll discuss the differences, and give you two examples of how to quickly find the midrange. Differences Between Range...

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Definition of Stem and Leaf Plot

The official definition of stem and leaf plot is: A way to graphically represent a data set in ascending order by categorizing the data in which part of the number is shown on the left and called a “Stem” and the last digit is shown on the right an...

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Definition of Median

This video will give us the definition of median. In any given set of numbers, the median is the number that is in the middle of the set, when the numbers are ordered from least to greatest. Median is the Middle Number You will deal with the median any time yo...

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Definition of Mean

  Today we will cover the definition of Mean. In any given set of numbers the mean is the sum of those numbers all divided by how many numbers there are in a given set. Mean is a statistical term but it is also commonly referred to as the average. Mean Is...

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