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2 Statistics

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Question 287

Ice-cream sales and drowning incidents are positively correlated across months. A report concludes that buying ice cream increases the risk of drowning.

a.

Criticise the conclusion.

[2]
b.

Identify a confounding variable and explain its effect.

[2]
c.

State what additional evidence would be needed before making a causal claim.

[2]
Markscheme

2 Statistics Questions

  1. A Level
  2. /Maths
  3. /2 Statistics

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