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2 Statistics

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Question 403

A researcher estimates the mean waiting time by treating every time recorded as “60 minutes or more” as 60 minutes.

a.

Explain the likely effect of this decision on the estimated mean.

[2]
b.

Suggest one improvement to the data collection or analysis.

[2]
Markscheme

2 Statistics Questions

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

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