Statistics - Interpreting and Evaluating Statistical Representations

Statistics - Interpreting and Evaluating Statistical Representations

IP 1
5 marks

Twenty students recorded the number of days they cycled to school during a two-week period containing \(10\) school days.

  1. State the most common number of days cycled to school.

    [1]
  2. Amir says, “A majority of the students cycled to school on exactly \(3\) days.”

    Is Amir correct? Support your answer with a calculation.

    [2]
  3. Beth says, “The student represented by the dot above \(0\) dislikes cycling.”

    Explain why this conclusion cannot be drawn from the plot. Give one other possible reason why the student did not cycle to school.

    [2]

Solution:

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Answer:(a) \(3\) days (b) No; only \(30\%\) cycled on exactly 3 days. (c) The plot gives no reasons; for example, the student may not have access to a bicycle.

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