ZIMSEC A-Level Statistics
6.1.3Measures of central tendency and dispersion (grouped and ungrouped data)
Measures of central tendency and dispersion (grouped and ungrouped data) in ZIMSEC A-Level Statistics: what the syllabus expects you to know, the learning objectives and how to practise.
Subtopic41 practice questions2 lessons
Learning objectives
What the syllabus expects you to be able to do.
- 6.1.3.1Form 5: define and calculate the mean, mode, median, range, quartiles, percentiles, variance and standard deviation.
- 6.1.3.2Form 5: interpret measures of central tendency and dispersion and apply them in solving problems.
Lessons
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Measures of central tendency and spread
45 min
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Variance and standard deviation, including summary and coded data
45 min
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Sample question
A sample question on this topic. Answer it, check it, then read the worked answer.
Turn Measures of central tendency and dispersion (grouped and ungrouped data) into a strength.
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