What is the mean, median, mode, and range of 2, 3, 3, 3, 3, 4, 4, 5, 6, 6, 6, 6, 7, 7, 8, 8, 8, 8, 9?
Count the number of values first: There are
Range: Difference between highest and lowest values:
Median: Value exactly in the middle of a set of data arranged in order. There are
Median: the value with the highest frequency - the one that occurs the MOST often:
There are three values which each occur
This is a tri-modal distribution, the modes are
Mean: what is usually called the average. If all the values were the same, what would it be? Find one value to represent them all.
Mean: add all the values together and divide by