Stress Roommate A.Performance Class year intervening/ meditatior Causal Inference Correlation Correlation In empirical data, when A is higher, B is systematically higher (or lower) --- RANK ORDER ! Attributes of one variable are associated with attributes of another variable Rank Order: putting the highest number of drink participants in order so it would go participant 3,7,10,,2,9,5,6,,8,4,1 Among the same people the amount of time spent in the gym is participants 3,7,10,9,2…
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