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IB Maths AA SL 4.3 Summary Statistics Questions

Practise calculating and interpreting mean, median, mode, grouped-data estimates, variance and standard deviation, including the effect of shifting or scaling data.

Syllabus
First assessment 2021
Course
Mathematics: analysis and approaches SL
Level
SL

Exam points

  • Calculate and interpret mean, median, variance and standard deviation from raw or frequency data.
  • Use skew and quartile position to explain why mean and median differ in a distribution.
  • Read summary statistics from tables and compare centre and spread in context.

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Study SL 4.3—Summary statistics conceptsOpen the corresponding Concept lesson for explanations, examples and exam connections.

IB Maths AA SL 4.3 Summary Statistics Questions question 1

[Maximum number: 3]

The following cumulative frequency graph shows the monthly income, I dollars, of 2000 families.

Figure for Question IB Maths AA SL 4.3 Summary Statistics Questions question 1 — IB Maths AA SL

Estimate the mean monthly income for families living in a villa.

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