Problem Bank | IB Math AASL

[Maximum mark: 6]

A tech reviewer measured the battery life (in hours) of 40 new-model laptops during a continuous video-playback test.

The cumulative-frequency graph below summarizes the results.

Use the graph to estimate:
1. the median battery life.
  [1]
  To earn a crown, get your answer ready before you reveal the options!
2. the inter-quartile range (IQR).
  [2]
Draw a box-and-whisker diagram to represent the battery life data. You may assume there are no outliers.
[3]

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[Maximum mark: 6]

A tech reviewer measured the battery life (in hours) of 40 new-model laptops during a continuous video-playback test.

The cumulative-frequency graph below summarizes the results.

Use the graph to estimate:
1. the median battery life.
  [1]
  To earn a crown, get your answer ready before you reveal the options!
2. the inter-quartile range (IQR).
  [2]
Draw a box-and-whisker diagram to represent the battery life data. You may assume there are no outliers.
[3]

Ask Plex AI about this problem

Get hints, ask questions, and work through this problem step by step

I'm Plex, here to help with problems on this worksheet!