Discussion
The cause and effect is known by in study of .........................
Answer: A
Cause and effect is studied through regression.
Regression analysis treats one variable as dependent and another as independent and estimates how the dependent variable changes with the independent one, giving a functional relationship that can be used for prediction. It therefore assumes a direction of influence, from cause to effect.
Correlation measures only the degree of association between two variables and makes no assumption about which causes which. Probability and the coefficient of variation do not deal with relationships between variables at all.
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