The following table contains grouped data on the weekly wages of 75 workers in a particular industry.

Wages

Frequency

£250.00-£259.99

8

£260.00-£269.99

10

£270.00-£279.99

16

£280.00-£289.99

15

£290.00-£299.99

10

£300.00-£319.99

10

£320.00-£379.99

6

Total

75

Construct a histogram for the frequency distribution.  Be careful to take account of the varying interval width.

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