plumiRepresentation of data: CAIE A‑Level Maths questions
Every CAIE A-Level Maths exam question on 5.1 Representation of data, June 2024 and the specimen papers, with its mark scheme and examiner’s report.
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All 4 questions on Representation of data, as a list
- June 2024, Paper 5, Q1 (4 marks): A summary of 20 values of x gives / ( x 30 ) 439 , / ( x 30 ) 2 12 405 . - = - = A summary of another 25 values of x gives / ( x 30 ) 470 , / ( x 30 ) 2 11346 .
- June 2024, Paper 5, Q3 (6 marks): The heights, in cm, of 200 adults in Barimba are summarised in the following table. Height (h cm) 130 h 1 150 1 0 5 h 1 1 0 6 1 0 6 h 1 1 0 7 1 0 7 h 1 1 75 1 7
- Specimen, Paper 5, Q1 (5 marks): The following back-to-back stem-and-leaf diagram shows the annual salaries of a group of 39 females and 39 males. Females Males (4) 5 2 0 0 20 3 (1) (9) 9 8 8 7
- Specimen, Paper 5, Q2 (4 marks): A summary of the speeds, x kilometres per hour, of 22 cars passing a certain point gave the following information: Σ(x – 50) = 81.4 and Σ(x – 50)2 = 671.0. Find
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