0
LQ = (U2 + U3)/2
and
UQ = (U6 + U7)/2
where Un is the nthnumber in the ordered setwill be sufficiently accurate.
If you want greater accuracy, you could go for
Lower quartile = U2 + 0.25*(U3-U2)Upper quartile = U6 + 0.75*(U7-U6)
But, to be honest, if you want accurate results you need more than 8 observations!
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How do you find upper and lower quartile?
See related link. Upper and lower quartiles are the 75 and 25% percentile measures.
How do you find the IQR of a set of data?
Iqr stands for inter quartile range and it is used to find the middle of the quartiles in a set of data. To find this, you find the lower quartile range and the upper quartile range, and divide them both together.
How do you make a box and whiskers plot?
I personally hated these. So say you have a set of numbers. 78, 80, 81, 83 ,and 85. You need to find the lower quartile, upper quartile, and of course median. the highest and lowest points will be on the end. draw a box around the upper, and lower quartile and lines coming out from it connecting to 78 and 85.
How do you find the lower and upper quartile?
U find the upper quartile by going to ur data and finding the median by ur median and the lower or upper extreme
How do you find the inter quartile range?
Subtract the lower quartile from the upper quartile.
