We know that for a set of ordered numbers, the median \({Q_2}\), is the middle number which divides the data into two halves. Similarly, the lower quartile \({Q_2}\) divides the bottom half of the ...
THE crabs measured by Prof. Weldon, which were 12˙5 centimetres long, had the ratio of frontal breadth to carapace length equal to 778˙39 thousandths with a quartile deviation of 10˙79; the adult ...
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