(i)[1]
Determine the mode.
(ii)[3]
Determine the median and the interquartile range.
Mathematics 9709 · AS & A Level · Sampling and estimation
Sampling and estimation — practice question
A group of 10 boys each makes an estimate of the length of a piece of string. Their estimates, in centimetres, are given as: $37, 40, 45, 38, 36, 38, 42, 38, 40, 39$.