A delivery-time histogram

A delivery-time histogram

Secondary 2
3 marks
TGM Original Questions

The scaled histogram shows the delivery times, in minutes, of 35 orders. Find

  1. the modal class,[1]
  2. the median class,[1]
  3. the percentage delivered in less than 15 minutes.[1]

Solution:

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Answer:(a) \(5\le t<10\) (b) \(5\le t<10\) (c) \(85.7\%\).

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