3.20 Select which of the statements on the right-hand side best define the words on the left-hand side.

(a) Median (i) the square of the standard deviation

(b) Range (ii) a diagram based on order statistics

(c) Variance (iii) the most frequently occurring value

(d) Boxplot (iv) the difference between the extreme observations

(e) SIQR (v) the middle value

(f) Mode (vi) half the difference between the quartiles