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What does a larger standard deviation indicate?
A
Values are more widely dispersed around the mean.
B
It corrects the sample's tendency to underestimate population variation.
C
Squaring prevents positive and negative deviations cancelling.
D
- Standard deviation is multiplied by ∣k∣|k|∣k∣.
- Variance is multiplied by k2k^2k2.
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2.5.3 Data presentation and interpretation Flashcards
23 flashcards on CCEA A Level Maths 2.5.3 Data presentation and interpretation: the key formulae, methods and definitions you need to recall for AS 1, AS 2, A2 1 and A2 2.