際際滷

際際滷Share a Scribd company logo
Cumulative FrequencyIt all adds up
Cumulative FrequencyCumulative means totalling or gradually building up.  In statistics, cumulative frequency is found by adding up all successive frequencies in a frequency distribution table.
Cumulative FrequencyBelow is a frequency distribution table that shows the hours of sleep on a school night by 98 Year 8 students (from the ABS website).
Cumulative FrequencyA cumulative frequency histogram is like a frequency histogram but uses the cumulative frequency column to graph the data.  It looks like steps going upwards.An ogive is a line graph drawn on the cumulative frequency histogram.  The line starts at the bottom left corner of the first column and joins the top right corner of each successive column.
Tick marks every 1cm, mark scale 2cm=10Tick marks every 2 cm, mark scale at each tick mark: 6 - 13
Cumulative frequency

More Related Content

Cumulative frequency

  • 2. Cumulative FrequencyCumulative means totalling or gradually building up. In statistics, cumulative frequency is found by adding up all successive frequencies in a frequency distribution table.
  • 3. Cumulative FrequencyBelow is a frequency distribution table that shows the hours of sleep on a school night by 98 Year 8 students (from the ABS website).
  • 4. Cumulative FrequencyA cumulative frequency histogram is like a frequency histogram but uses the cumulative frequency column to graph the data. It looks like steps going upwards.An ogive is a line graph drawn on the cumulative frequency histogram. The line starts at the bottom left corner of the first column and joins the top right corner of each successive column.
  • 5. Tick marks every 1cm, mark scale 2cm=10Tick marks every 2 cm, mark scale at each tick mark: 6 - 13