Card 1 of 25
An [ ] is one recorded data value.
An outlier lies unusually far from the main body of data.
A
The interquartile range is IQR=Q3−Q1\boxed{\text{IQR}=Q_3-Q_1}IQR=Q3−Q1.
It measures the spread of the middle 50% of the data.
B
An observation is one recorded data value.
An outlier lies unusually far from the main body of data.
C
The median and IQR.
D
The interquartile range is IQR=Q3−Q1\text{IQR}=Q_3-Q_1IQR=Q3−Q1.
It measures the spread of the middle 50% of the data.
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2.2.8 Outliers Flashcards
25 flashcards on OCR A Level Maths 2.2.8 Outliers: the key formulae, methods and definitions you need to recall for Paper 1, Paper 2 and Paper 3.