ECZ 2015 · GCE Paper 2 · Question 12 — Statistics

Answer the whole of this question on graph paper. The heights of 56 plants, grown under experimental conditions, are given in the table below. Height in cm | x≤10 | 10<x≤20 | 20<x≤30 | 30<x≤40 | 40<x≤50 | 50<x≤60 | 60<x≤70Number of plants | 1 | 2 | 4 | 6 | 13 | 22 | 8

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