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2 Statistics

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Question 495

A scatter diagram of daily temperature and hot-drink sales shows a clear downward trend with moderate scatter.

a.

Describe the correlation.

[1]
b.

Explain what the scatter indicates.

[1]
c.

State two reasons why a regression prediction for a particular day may be inaccurate.

[2]
Markscheme

2 Statistics Questions

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

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