The median is the moddle number of a data set. If the number of numbers is even add the 2 middle numbers and divide by 2.
Median = (7+7)÷2 = 7
The mean is the averagw value in a data set. You find it be adding all the numbers and then divide the answer by the number of numbers.
Mean: (6+6+6+7+7+7+8+8+8+9) ÷ 10
= 72 ÷ 10 = 7.2
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