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1(a) Sam is collecting data on the yearly rate of returns of the stocks included in the index S&P 500. What kind of variable of
1(a) Sam is collecting data on the yearly rate of returns of the stocks included in the index S&P 500. What kind of variable of interest is he using in this study and how many observations are in the data set? Name 1 company that in S&P 500 and list their return in the year 2015.
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