5, 5, 9, 12, 18, 22, 25 put numbers in order least to greatest 25 -5 = 20 that is the range 12 is the middle number this is the median 5 is the mode, it is the number that is repeated the most
Median is "middle". Put the numbers in order and find the middle number: 5, 5, 9, (12), 18, 22, 25 The median is 12.
mode is "most". Which number appears the most in the data set: (5), (5), 9, 12, 18, 22, 25 The mode is 5.
mean is the "average". Find the sum and divide by the quantity. 5 + 5 + 9 + 12 + 18 + 22 + 25 = 96 & there are 7 numbers in the data set: 96/7 = 13.7 The mean is 13.7