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What is the median of the data set {30, 20, 40, 50}?
What is the mean of the following set of data?{1, 4, 7, 5, 3, 3, 5}
Suppose you have a data set that includes the values 20, 30, and 50. If you add a fourth value to this data set, and after doing that the mean of the data set is 50, what was the value that you added?
Which of the following data sets has a range of 40?
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Variability
Data Distribution