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Two data sets have the same mean. What does the one with the larger standard deviation have?
A
Machine A, because its outputs are less spread out.
B
- n=∑fn=\sum fn=∑f
- ∑x=∑fx\sum x=\sum fx∑x=∑fx
- ∑x2=∑fx2\sum x^2=\sum fx^2∑x2=∑fx2
C
Its large deviation is squared.
D
A greater spread around the mean.
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2.2.6 Data presentation and interpretation Flashcards
23 flashcards on WJEC A Level Maths 2.2.6 Data presentation and interpretation: the key formulae, methods and definitions you need to recall for AS Unit 1, AS Unit 2, A2 Unit 3 and A2 Unit 4.