Card 1 of 24
Why must data be ordered before finding quartiles?
A
Possible outlier, because 55>4855>4855>48.
B
Box plots can use different definitions for whiskers.
C
The mean and standard deviation use every data value, whereas the median and IQR are more resistant to extreme values.
D
Quartiles depend on each observation's position.
Card 1 of 24
2.2.4 Outliers and cleaning data Flashcards
24 flashcards on AQA A Level Maths 2.2.4 Outliers and cleaning data: the key formulae, methods and definitions you need to recall for Paper 1, Paper 2 and Paper 3.