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2.2 Data Presentation and Interpretation

2.2 Data Presentation and Interpretation

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Question 22

For a sample of vehicles, the regression line predicting fuel use f f\,f litres from distance d d\,d km is f=0.071d+1.8f=0.071d+1.8f=0.071d+1.8, using distances from 12 km to 240 km.

a.

Interpret both coefficients.

[3]
b.

Estimate the fuel use for 180 km.

[2]
c.

Critique a prediction for 500 km.

[1]
Markscheme

2.2 Data Presentation and Interpretation Questions

  1. A Level
  2. /Maths
  3. /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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