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ZIMSEC A-Level Geography

2.6Spatial interpolation; Measures of spatial autocorrelation

Spatial interpolation; Measures of spatial autocorrelation in ZIMSEC A-Level Geography: what the syllabus expects you to know, the learning objectives and how to practise.
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Learning objectives

What the syllabus expects you to be able to do.

  1. 2.6.1Collect data on a continuous geographic variable in the field and apply ordinary and inverse distance weighting interpolation.
  2. 2.6.2Explain the importance of spatial autocorrelation and test for it with Moran's I and Geary's C.

Lessons

  • Spatial interpolation and spatial autocorrelation

    40 min

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Sample question

A sample question on this topic. Answer it, check it, then read the worked answer.

Spatial interpolation; Measures of spatial autocorrelation: sample question

1 mark

Which interpolation method gives nearer sample points a larger influence on the estimate than distant ones?

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