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How is each pair of bivariate observations shown on a scatter diagram?
A
A third variable that helps explain an observed correlation is a confounding variable.
B
As a point (x,y)(x,y)(x,y) on coordinate axes.
C
Fire size increases both damage and firefighters required.
D
Weak correlation has a noticeable direction; zero correlation does not.
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2.2.3 Data presentation and interpretation Flashcards
20 flashcards on WJEC A Level Maths 2.2.3 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.