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2.2.4 Outliers and cleaning data

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

  1. A Level
  2. /Maths
  3. /2.2.4 Outliers and cleaning data

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.

Flashcards