75th percentile (quartille Q3)

Find 75th percentile for 30,42,42,46,46,46,50,50,54

Correct result:

p =  50

Solution:

n=9 sorted:30,42,42,46,46,46,50,50,54 i=1+n⋅ 75100=1+9⋅ 75100=314=7.75 i1=⌊i⌋=⌊7.75⌋=7 i2=⌈i⌉=⌈7.75⌉=8 p=(50+50)/2=50

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Dr Math
checkout our quartile calculator - Q3 = percentile 75:

https://www.hackmath.net/en/calculator/quartile-q1-q3

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