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2.2 Data Presentation and Interpretation

2.2 Data Presentation and Interpretation

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Question 44

The journey times, in minutes, of nine students are

$3312,\ 14,\ 15,\ 15,\ 18,\ 19,\ 21,\ 24,\ 33$ .

a.

Find the median and the interquartile range.

[3]

b.

Explain which of the mean and median is likely to be the more representative measure of location.

[2]

Markscheme

2.2 Data Presentation and Interpretation Questions

A Level
Maths
2.2 Data Presentation and Interpretation

121 exam-style questions on OCR (MEI) A Level Maths 2.2 Data Presentation and Interpretation, covering 2.2.1 Types of data and standard diagrams, 2.2.2 Area in a histogram is proportional to frequency, 2.2.3 Cumulative frequency diagram, 2.2.4 Describe frequency distributions, 2.2.5 Samples and theoretical distributions, 2.2.6 Interpret a scatter diagram, 2.2.7 Distinct sections and outliers in scatter diagrams, 2.2.8 Correlation and causation, 2.2.9 Select or critique data presentation techniques, 2.2.10 Measures of central tendency, 2.2.11 Simple measures of spread, 2.2.12 Variance and standard deviation, 2.2.13 Outliers, 2.2.14 Cleaning data, and 2.2 Data Presentation and Interpretation. Each one has a worked solution and a mark scheme showing where the marks go.

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