Histogram and Frequency Analysis of Completion Times

Histogram and Frequency Analysis of Completion Times

Secondary 2

The data represents the time taken, to the nearest minute, for \(30\) students to complete a question

\(1\)

\(4\)

\(2\)

\(3\)

\(4\)

\(5\)

\(3\)

\(2\)

\(4\)

\(2\)

\(3\)

\(3\)

\(1\)

\(3\)

\(2\)

\(1\)

\(3\)

\(2\)

\(4\)

\(5\)

\(1\)

\(2\)

\(3\)

\(4\)

\(2\)

\(3\)

\(6\)

\(4\)

\(3\)

\(6\)

  1. Construct a frequency table for the data.
  2. Using the grid below, draw a histogram to illustrate the data.
    List item image
  3. Find the probability of a student who spent more than \(3\) minutes to complete the question.

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Answer:(iii) \(\frac13\)

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