4400 Higher November 2009 Paper 4 Q10

EdexcelHigherOld spec6 marksGrouped DataHistograms

10

(a) The table shows information about the rainfall in Singapore in December one year.
Rainfall (\(d\) mm)Number of days
\(0 \leqslant d \lt 10\)23
\(10 \leqslant d \lt 20\)3
\(20 \leqslant d \lt 30\)2
\(30 \leqslant d \lt 40\)3
Work out an estimate for the total rainfall in December. (3)
(b) The histogram shows information, for the same year, about the rainfall in Singapore in November, which has 30 days.
The rainfall was less than 50 mm every day in November.
Histogram of frequency density against rainfall in mm from 0 to 50, with bars for 0 to 5, 5 to 15 and 15 to 50
Complete the table.
Rainfall (\(d\) mm)Number of days
\(0 \leqslant d \lt 5\)
\(5 \leqslant d \lt 15\)
\(15 \leqslant d \lt 50\)
(3)
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