Masterpiece 2
Students use the PPDAC cycle to investigate whether a person’s armspan is equal to their height using their own measurements or CensusAtSchool data.
This activity explores the following key ideas:
- Carrying out a statistical investigation following the full PPDAC cycle
- Posing a statistical question
- Describing the data set in terms of shape, spread and middle range
- Finding a relationship between variables
- Comparing subsets of data
- Supporting claims with evidence
They are also encouraged to consider the reasons for variabilility in the data.
Resources:
Achievement Objectives
- Level 4
- S4-1Plan and conduct investigations using the statistical enquiry cycle
- B gathering, sorting, and displaying multivariate category, measurement, and time-series data to detect patterns, variations, relationships, and trends
- C comparing distributions visually
- S4-1Plan and conduct investigations using the statistical enquiry cycle
- Level 5
- S5-1Plan and conduct surveys and experiments using the statistical enquiry cycle
- B considering sources of variation
- C gathering and cleaning data
- 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
- Level 6
- S6-1Plan and conduct investigations using the statistical enquiry cycle
- D making informal inferences about populations from sample data
- S6-1Plan and conduct investigations using the statistical enquiry cycle
- Keywords: Comparisons, Distribution Shape, Five Number Summary, Inference, Prediction, Scatterplots, Statistical Investigation Process, Variability
- (Last updated: 20/09/17. Added: 06/06/08)
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