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CAIE IGCSE Mathematics Extended E9.3.2 Calculate an Estimate of the Mean for Grouped Discrete or Grouped Questions

Practise Extended CAIE IGCSE Mathematics by using class midpoints and frequencies to estimate grouped-data means with correct units and precision.

Syllabus
2028–2030
Course
Mathematics 0580
Level
Extended

Exam points

  • Estimate the mean of grouped discrete or grouped continuous data using class midpoints and frequencies.
  • Calculate the weighted total of midpoint times frequency and divide by the total frequency.
  • Interpret an estimated grouped-data mean with appropriate units and sensible precision.

CAIE IGCSE Mathematics Extended E9.3.2 Calculate an Estimate of the Mean for Grouped Discrete or Grouped Questions question 1

[Maximum number: 4]

The histogram shows information about the masses of some coconuts.
The masses are classified into four categories A, B, C and D.

Figure for Question CAIE IGCSE Mathematics Extended E9.3.2 Calculate an Estimate of the Mean for Grouped Discrete or Grouped Questions question 1 — CAIE IGCSE Mathematics Extended

Calculate an estimate of the mean mass of the coconuts.

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