A tall tale
This activity covers the following ideas and leads to a discussion of what the students think the height distribution for all Year 10 new Zealand girls looks like.
It explores:
- the effect of sample size on the distribution of a sample (sample distribution)
- how samples of the same size vary
- how samples of different size vary
- the connection between the distribution of a population (population distribution) and the distribution of a sample (sample distribution)
Resources:
Level 5
Achievement Objectives
- Level 5
- S5-1Plan and conduct surveys and experiments using the statistical enquiry cycle
- B considering sources of variation
- D using multiple displays, and re-categorising data to find patterns, variations, relationships, and trends in multivariate data sets
- E comparing sample distributions visually, using measures of centre, spread, and proportion
- S5-1Plan and conduct surveys and experiments using the statistical enquiry cycle
- Keywords: Comparisons, Population, Sample, Sample size, Sampling distributions, Sampling variability
- (Last updated: 11/12/12. Added: 11/02/11)
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