A delivery-time histogram

A delivery-time histogram

Secondary 2
TGM Original Questions

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

  1. the modal class,
  2. the median class,
  3. the percentage delivered in at most 15 minutes.

Solution:

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

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