Foundation January 2023 Paper 1R Q15

EdexcelFoundationCurrent spec5 marksGrouped Data

15 The table shows information about the frame size, in cm, of 60 bicycles sold in a shop.

Frame size (\(S\) cm)Frequency
\(30 \lt S \leqslant 36\)4
\(36 \lt S \leqslant 42\)14
\(42 \lt S \leqslant 48\)18
\(48 \lt S \leqslant 54\)19
\(54 \lt S \leqslant 60\)5
(a) Write down the modal class. (1)
(b) Work out an estimate for the mean frame size. (4)