The masses (in grams) of 30 mangoes were grouped as follows: Mass: 100 – 120 | 120 –…
MATHEMATICS · Single correct · GCSE · Mathematics · Statistics · Statistics
Problem
The masses (in grams) of 30 mangoes were grouped as follows:
Mass: 100 – 120 | 120 – 140 | 140 – 160 | 160 – 180 | 180 – 200
Frequency: 4 | 7 | 10 | 5 | 4
Calculate the mean mass of the mangoes (correct to one decimal place).
(a) 150.0
(b) 158.7
(c) 148.7
(d) 149.3
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