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6. (a) Give two reasons to justify the use of statistical models - Edexcel - A-Level Maths Statistics - Question 6 - 2007 - Paper 1

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6. (a) Give two reasons to justify the use of statistical models. It has been suggested that there are 7 stages involved in creating a statistical model. They are s... show full transcript

Worked Solution & Example Answer:6. (a) Give two reasons to justify the use of statistical models - Edexcel - A-Level Maths Statistics - Question 6 - 2007 - Paper 1

Step 1

(a) Give two reasons to justify the use of statistical models.

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Answer

  1. Statistical models are used to simplify or represent a real-world problem, allowing for easier analysis and understanding.

  2. They help improve understanding of the real-world problem by enabling predictions about future outcomes based on observed data.

Step 2

(b) Write down the missing stages.

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Answer

  1. Model used to make predictions (Idea of predicted values based on the model).

  2. (Experimental) data collected.

  3. Model is refined.

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