Real math help.
Summarize numerical data sets in relation to their context, such as by:
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How Do You Find the Mean of a Data Set?
Mean is just another name for average. To find the mean of a data set, add all the values together and divide by the number of values in the set. The result is your mean! To see an example of finding the mean, watch this tutorial!
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How Do You Find the Median of a Data Set?
The median of a data set is the number that is the middle value of the set. It's easy to find the median if you first put the numbers in order from least to greatest. In this tutorial, see how to find the median of a data set, and see what to do if there are two middle values!
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How Do You Find the Mode of a Data Set When There is More Than One Mode?
The mode of a data set is the number that occurs most often, but what if your data set has more than one mode? Is that possible? This tutorial explains what to do when a data set has multiple modes!
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How Do You Find the Mode of a Data Set Where All The Numbers are Different?
To find the mode of a data set, look for the number that occurs most often. What if all the numbers occur the same number of times? What's the mode of that data set? This tutorial will tell you!
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How Do You Compare the Mean and Median of Data Sets Using a Line Plot
The mean and median can help you better understand a data set. Check out this real world example involving finding and comparing the mean and median of multiple data sets.
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How Do You Find the Minimum, Maximum, Quartiles, and Median of a Data Set?
Finding the minimum, maximum, median, and quartiles of a set of data can help tell you a lot about your data. Follow along with this tutorial to practice finding these pieces of a data set!
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What is the Median of a Data Set?
The median is one of many measures of central tendency. Check out this tutorial to learn what the median is and how you can find it!
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What is the Mean of a Data Set?
When you think of the mean of a data set, think of the word average. 'Mean' and 'average' are the same thing when you're talking about a set of data! This tutorial introduces you to mean and shows you how to find it!
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What is the Interquartile Range?
Being able to disect a set of data and better understand it is a key part of mastering statistics. This tutorial teaches you about one of these disection tools called the interquartile range.
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What is a Weighted Average?
A weighted average is a special type of average that allows you to give special weights to the different values in your average. Learn more about weighted averages by watching this tutorial!
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How Do You Find an Average?
What is the average temperature outside today? What is the average amount of time it takes you to do your homework? What is the average price for a gallon of gas? To figure out how to find the average to just about anything, check out this tutorial about averages!
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How Do You Use a Line Graph to Make Predictions?
How can you use a line graph to make predictions about the future? This tutorial can show you:
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How Do You Use a Circle Graph to Make Predictions?
Circle graphs are like a crystal ball that can help you predict the future! Let's see how to predict using a circle graph:
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How Do You Interpret a Circle Graph?
Get a better understanding of circle graphs by watching this tutorial:
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How Do You Interpret a Bar Graph With a Break in the Scale?
Want to practice interpreting a bar graph? Check out this tutorial:
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What is Numerical, or Quantitative, Data?
Numerical data looks at amounts or quantities. This popular type of data is used all the time, so it's important to know all about it! This tutorial looks at numerical data.
