Cambridge AS & A Level Biology
P5.2Descriptive statistics
Descriptive statistics in Cambridge AS & A Level Biology: what the syllabus expects you to know, the learning objectives and how to practise.
Subtopic25 practice questions1 lesson
Learning objectives
What the syllabus expects you to be able to do.
- P5.2.1Use mean, median, mode, range, standard deviation, standard error and 95% confidence intervals (formulae provided).
- P5.2.2Plot error bars and judge whether differences between means are likely to be significant.
- P5.2.3Distinguish normal from non-normal distributions and correlation from causation.
Lessons
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Descriptive statistics: standard deviation, standard error and error bars
40 min
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Sample question
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