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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, mode, modal class and grouped-data mean estimates, choosing the statistic suited to the distribution and data format.
  • Use IQR, variance and standard deviation to compare data sets, and determine how adding, subtracting or scaling every value changes the summary statistics.

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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