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2 Statistics

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Question 407

A list contains 840 customers. A systematic sample of 70 is required.

a.

Calculate the sampling interval.

[1]
b.

Describe how to complete the selection using a random start.

[2]
c.

Give one circumstance in which the ordering of the list could make the sample unrepresentative.

[1]
Markscheme

2 Statistics Questions

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

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