1MA0 Higher November 2013 Paper 2 Q14

EdexcelHigherOld spec7 marksFrequency PolygonsGrouped Data

14 The table gives information about the temperature, \(T\) °C, at noon in a town for 50 days.

Temperature (\(T\) °C)Frequency
\(8 \lt T \leqslant 12\)6
\(12 \lt T \leqslant 16\)8
\(16 \lt T \leqslant 20\)13
\(20 \lt T \leqslant 24\)21
\(24 \lt T \leqslant 28\)2
(a) Write down the modal class interval. (1)
(b) Calculate an estimate for the mean temperature. (4)
(c) Draw a frequency polygon for the information in the table.
Grid with temperature from 8 to 30 degrees C on the horizontal axis and frequency from 0 to 25
(2)
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