ST5 Averages personal learning checklist
Edexcel GCSE Statistics 1ST0 · Both papers · Foundation and Higher
Higher statements are labelled. Show full workings, construct graphs and use real sourced data for enquiry tasks.
Name ____________________ Class __________ Date __________
Tick one box per statement. Red: need help. Amber: partly confident. Green: can do independently.
| I can | Red | Amber | Green |
|---|---|---|---|
| Typical values | |||
| Calculate and interpret arithmetic means, medians and modes from raw data. | |||
| Calculate means from discrete frequency tables using total frequency. | |||
| Estimate means from grouped data and explain midpoint assumptions. | |||
| Identify modal and median classes and distinguish estimates from exact values. | |||
| Choose and justify averages for categorical, skewed and measured data. | |||
| Compare appropriate centres using units, context and sampling qualifications. | |||
| Calculate the effect of adding or removing observations on averages. | |||
| Apply translations and positive scaling to numerical averages. | |||
| Interpolate a grouped median for equal-width classes and explain the within-class assumption. | |||
| Higher — weighted and geometric averages | |||
| Calculate weighted means and combine unequal-sized groups correctly (Higher). [Higher] | |||
| Calculate geometric means and interpret average multiplicative growth (Higher). [Higher] | |||
| Estimate means and medians using unequal-width grouped classes (Higher). [Higher] | |||
Next revision priority: __________________________________________________