Question: Please provide a step by step solution so I can use it to teach myself. # 4 - STATS HW 5 - ? 4. Let

Please provide a step by step solution so I can use it to teach myself.

# 4 - STATS HW 5 - ? 4. Let X and Y be random variables with finite means. Show that ming E[Y - g(X)]2 = =[Y - E[Y[X]]2 In other words, the function g* that minimizes E[Y - g(X)]? satisfies g*(x] = E[VIX = x] for all x. This optimal function is called the regression of You X

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