Reading a social-media dot plot

Reading a social-media dot plot

Secondary 2
TGM Original Questions

The dot plot shows the daily social-media hours for 25 students.

  1. Find the modal number of hours.
  2. Find the mean number of hours.
  3. Find the probability that a selected student recorded zero hours.

Solution:

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Answer:(a) \(4\) h; (b) \(3.12\) h; (c) \(3/25\).

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