ZIMSEC A-Level Statistics
6.8.2t-tests and chi-squared tests
t-tests and chi-squared tests in ZIMSEC A-Level Statistics: what the syllabus expects you to know, the learning objectives and how to practise.
Subtopic39 practice questions2 lessons
Overview
Form 6.
Learning objectives
What the syllabus expects you to be able to do.
- 6.8.2.1Form 6: describe the characteristics of the t and chi-squared distributions.
- 6.8.2.2Form 6: test a population mean using a small sample from a normal distribution of unknown variance (t-test).
- 6.8.2.3Form 6: use a chi-squared test for independence in a contingency table and for goodness of fit.
Lessons
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Chi-squared tests: goodness of fit and independence
50 min
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The t-distribution: small-sample intervals and t-tests
45 min
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Sample question
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