4400 Higher November 2006 Paper 3 Q11

EdexcelHigherOld spec5 marksAverages (including IQR)

11 There are 15 students in class \(A\).
In a test, the students gained these marks.

2   1   2   5   5   6   9   2   5   6   7   5   6   5   6

(a) Find the interquartile range of these marks. (3)

The students in class \(B\) took the same test.
Their marks had a median of 7 and an interquartile range of 2

(b) Make two comparisons between the marks of the two classes.
(i)
(ii) (2)
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