4MA0 Higher January 2017 Paper 3R Q9

EdexcelHigherOld spec4 marksGrouped Data

9 The table gives information about the weights of 20 rugby players.

Weight (\(w\) kg)Frequency
\(80 \lt w \leqslant 90\)3
\(90 \lt w \leqslant 100\)5
\(100 \lt w \leqslant 110\)7
\(110 \lt w \leqslant 120\)4
\(120 \lt w \leqslant 130\)1
(a) Write down the modal class. (1)
(b) Work out an estimate for the total weight of these 20 rugby players. (3)
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