Question: Analyze the ACF and PACF that you calculated in Exercise 8b. Are the autocorrelation and partial autocorrelation coefficients statistically different from zero? State a single

Analyze the ACF and PACF that you calculated in Exercise 8b. Are the autocorrelation and partial autocorrelation coefficients statistically different from zero? State a single hypothesis and a joint hypothesis, and implement t-ratios and (^-statistics. Interpret your results.

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