WJEC GCSE Mathematics and Numeracy (Double Award) 3320QD · 4.2.15
Choosing measures of central tendency
- Code
- 4.2.15
- In
- 4.2 Data handling cycle – represent, interpret and display results
- Topic
- 4 Statistics and probability
- Course
- GCSE Mathematics and Numeracy (Double Award) 3320QD
- Board
- WJEC
Codes and titles are read by a script from WJEC's published specification and have not been checked by a person. What each point covers is in the specification itself: WJEC’s specification.
Points in 4.2 Data handling cycle – represent, interpret and display results
- 4.2.1 Pictograms, bar charts and pie charts
- 4.2.2 Vertical line diagrams
- 4.2.3 Line graphs over time
- 4.2.4 Scatter diagrams
- 4.2.5 Lines of best fit
- 4.2.6 Correlation in scatter diagrams
- 4.2.7 Correlation and causality
- 4.2.8 Mean, median, mode and range of a list
- 4.2.9 Grouped frequency diagrams and frequency polygons
- 4.2.10 Averages and range of a frequency distribution
- 4.2.11 Estimated mean of grouped data
- 4.2.12 Estimated median of grouped data
- 4.2.13 Modal category and modal class
- 4.2.14 Group containing the median
- 4.2.15 Choosing measures of central tendency
- 4.2.16 Comparing distributions
- 4.2.17 Measures of spread, including interquartile range
- 4.2.18 Cumulative frequency tables and diagrams
- 4.2.19 Box-and-whisker diagrams
- 4.2.20 Histograms with unequal class widths
- 4.2.21 Misleading graphs
- 4.2.22 Look at data to find patterns and exceptions
- 4.2.23 Drawing inferences and conclusions from data