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2.2 Data Presentation and Interpretation

2.2 Data Presentation and Interpretation

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Question 37

The regression line of mass, m m\,m kg, on height, h h\,h cm, for footballers is m=1.37h−173m=1.37h-173m=1.37h−173.

a.

Estimate the mass of a footballer of height 180 cm.

[2]
b.

State whether this is interpolation if the observed heights range from 169 cm to 194 cm.

[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 A Level Maths 2.2 Data Presentation and Interpretation, covering 2.2.1 Tables and diagrams for single variable data, 2.2.2 Area in a histogram, 2.2.3 Scatter diagrams and regression lines, 2.2.4 Informal interpretation of correlation, 2.2.5 Correlation and causation, 2.2.6 Measures of average and spread, 2.2.7 Calculations of mean and standard deviation, 2.2.8 Outliers, 2.2.9 Selecting or critiquing data presentation, and 2.2.10 Cleaning data. Each one has a worked solution and a mark scheme showing where the marks go.

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