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2.2 Data Presentation and Interpretation

2.2 Data Presentation and Interpretation

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Question 18

Two newspapers plot the same change from 48% to 52%. Newspaper A uses a vertical axis from 0% to 100%; newspaper B uses an axis from 47% to 53%.

a.

Explain how the visual impressions will differ.

[2]
b.

State two features a fair presentation should include.

[2]
c.

Calculate the relative percentage increase from 48% to 52%.

[2]
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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