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SingaporeGeographyQuick questions
Geographical Investigation and Skills
Quick questions on Descriptive statistics and central tendency explained: H2 Geography
4short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.
What is measures of dispersion?Show answer
Dispersion describes how spread out the values are around the centre:
What is q1?Show answer
For the data set 4, 6, 7, 7, 51, state the mean and the median and say which better represents the data. [3 marks]
What is q2?Show answer
Explain why the interquartile range is often preferred to the range as a measure of spread. [2 marks]
What is q3?Show answer
Two weather stations have the same mean monthly rainfall but very different standard deviations. Explain what this tells you. [3 marks]
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