Explain the phrase 'Correlation is not Causation.' Give possible ex- planations for both a negative correlation and then for a positive correlation between the variables A and X discussed here.

MATLAB: An Introduction with Applications
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ISBN:9781119256830
Author:Amos Gilat
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Chapter1: Starting With Matlab
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A group of 20 smokers were asked for their age and the number of
cigarettes they smoked in a certain time period. Let A, be the age
recorded and X; the number of cigarettes for each smoker, for i = 1
to 10. The following information is also available:
£4, =
- 669 , Σ X -74.9 , ΣΑ34,561.0.
Ex? = 468.45, EA;X; = 3492.7.
Transcribed Image Text:A group of 20 smokers were asked for their age and the number of cigarettes they smoked in a certain time period. Let A, be the age recorded and X; the number of cigarettes for each smoker, for i = 1 to 10. The following information is also available: £4, = - 669 , Σ X -74.9 , ΣΑ34,561.0. Ex? = 468.45, EA;X; = 3492.7.
1. Explain the phrase 'Correlation is not Causation.' Give possible ex-
planations for both a negative correlation and then for a positive
correlation between the variables A and X discussed here.
loto the
Transcribed Image Text:1. Explain the phrase 'Correlation is not Causation.' Give possible ex- planations for both a negative correlation and then for a positive correlation between the variables A and X discussed here. loto the
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