5 Data Visualization
5.9 Answers

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    1. 
      Table 5.9.1
      Number of basketball games attended by 50 season ticket holders

      Table summary
      This table displays the results of Number of basketball games attended by 50 season ticket holders. The information is grouped by Number of matches (x) (appearing as row headers), Frequency (f), Percentage (%), Cumulative Frequency and Cumulative Percentage (%) (appearing as column headers).
      Number of matches (x) Frequency (f) Percentage (%) Cumulative Frequency Cumulative Percentage (%)
      10 2 4 2 4
      11 4 8 6 12
      12 4 8 10 20
      13 5 10 15 30
      14 6 12 21 42
      15 10 20 31 62
      16 8 16 39 78
      17 7 14 46 92
      18 3 6 49 98
      19 1 2 50 100
      TOTAL 50 100 Note ...: not applicable Note ...: not applicable
      Return to question 1a
    2. Chart 5.9.1 Number of basketball matches attended by 50 season ticket holders

      Data table for Chart 5.9.1 
      Data table for Chart 5.9.1
      Table summary
      This table displays the results of Data table for Chart 5.9.1. The information is grouped by Number of matches (appearing as row headers), Tally (frequency) (appearing as column headers).
      Number of matches Tally (frequency)
      10 2
      11 4
      12 4
      13 5
      14 6
      15 10
      16 8
      17 7
      18 3
      19 1
      Return to question 1b
    3. The five-number summary is
      • Minimum: 10
      • Lower quartile: 13
      • Median: 15
      • Upper quartile: 16
      • Maximum: 19
      The range is 9 and the interquartile range is 3. More than 50% of the data points are in the interval 13 to 16. The most frequent value (mode) is 15.
      Return to question 1c

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