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What are the true boundaries for the class 10-14 if data is rounded to the nearest whole number?
A
When data are skewed or contain outliers.
B
9.5 and 14.5
C
- Location (compare medians)
- Spread (compare IQRs or ranges)
- Outliers (mention any in context)
D
Mean and standard deviation are most useful when data are symmetrical and have no major outliers.
Card 1 of 20
Representations of Data Flashcards
20 flashcards on Edexcel A Level Maths Representations of Data: the key formulae, methods and definitions you need to recall for Paper 1, Paper 2 and Paper 3.