This spinner has two grey sections, two white sections and one black section - OCR - GCSE Maths - Question 3 - 2019 - Paper 6

The graph depicting the cost of petrol is misleading primarily because it does not start at zero on the vertical scale. The lowest point on the graph begins at 113 pence per litre, which exaggerates the perception of price changes over the six months. This vertical scaling can give a false impression of drastic price increases or fluctuations that may not be as significant if the scale were adjusted to start from zero.