92,88,84,86,88 Range First Quartile Third Quartile
92,88,84,86,88 range first quartile third quartile
Range: highest - lowestfirst quartile: middle value of the lower half
third quartile: middle value of the upper half
arrange: 84, 86, 88, 88, 92
count the given values to know the n
n = 5
range: 92 - 84 = 8
first quartile: 84 + 86 ÷ 2 = 85
third quartile: 88 + 92 ÷ 2 = 90
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