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Hi, this is Rob. Welcome to Math Antics! In this lesson, were gonna learn about three important math concepts called the Mean, the Median and the Mode. Math often deals with data sets, and data sets are often just collections (or groups) of numbers. These numbers may be the results of scientific measurements or surveys or other data collection methods. For example, you might record the ages of each member of you family into a data set. Or you might measure the weight of each of your pets and list them in a data set. Those data sets are fairly small and easy to understand. But you could have much bigger data sets. A really big data set might contain the cost of every item in a store, or the top speed of every land mammal, or the brightness of all the stars in our galaxy! Those data sets would contain a lot of different numbers! And if you had to look at a big data set all at one time it would be pretty hard to make sense of it or say much about it besides well thats a lot of numbers
