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What does a larger standard deviation indicate?
A
It is in the original units.
B
For grouped data, the mean formula is xˉ=∑fx∑f\bar{x}=\frac{\sum fx}{\sum f}xˉ=∑f∑fx.
C
The data are more spread out.
D
cm².
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2.4 Variance and Standard Deviation Flashcards
20 flashcards on Edexcel A Level Maths 2.4 Variance and Standard Deviation: the key formulae, methods and definitions you need to recall for Paper 1, Paper 2 and Paper 3.