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Worksheet: Cumulative Frequency Diagrams

Q1:

The table shows the marks of 60 students in a mathematics exam. By drawing a cumulative frequency curve, estimate the median mark achieved.

Mark2–6–10–14–18–22–26–Total
Frequency1110137658 60
  • A6.8
  • B6.5
  • C12.8
  • D34
  • E21

Q2:

The table shows the marks of 60 students in a mathematics exam. By drawing a cumulative frequency curve, estimate the median mark achieved.

Mark2–6–10–14–18–22–26–Total
Frequency1075911126 60
  • A9.5
  • B10
  • C17.6
  • D31
  • E22

Q3:

The table shows the marks of 60 students in a mathematics exam. By drawing a cumulative frequency curve, estimate the median mark achieved.

Mark2–6–10–14–18–22–26–Total
Frequency1174812414 60
  • A9
  • B10
  • C18
  • D30
  • E22

Q4:

The table shows the marks of 60 students in a mathematics exam. By drawing a cumulative frequency curve, estimate the median mark achieved.

Mark2–6–10–14–18–22–26–Total
Frequency12109106112 60
  • A9
  • B8
  • C13.6
  • D31
  • E22