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SingaporeGeographyQuick questions
Geographical Investigation and Skills
Quick questions on Chi-square and significance testing explained: H2 Geography
5short 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 degrees of freedom?Show answer
The degrees of freedom set which critical value to use:
What is testing significance?Show answer
Compare the calculated with the critical value for those degrees of freedom at a chosen significance level (commonly 0.05):
What is q1?Show answer
State the chi-square formula and explain what and represent. [2 marks]
What is q2?Show answer
A goodness-of-fit chi-square test uses five categories. State the degrees of freedom and explain how they are used. [2 marks]
What is q3?Show answer
Explain why chi-square must be calculated from frequencies rather than percentages. [3 marks]
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