Question: Please explain answer below and show your step by step workings thanks Question 25 5 / 5 pts From the model output below, how many

Please explain answer below and show your step by step workings thanks

Question 25 5 / 5 pts From the model output below, how many of the MA parameters are Mlalpha = 5 \\% statistically significant at the a = 5% !!) level? > arima(z, c(0,0,4), include. mean = FALSE) Series: Z ARIMA (0, 0,4) with zero mean Coefficients: mal ma2 ma3 ma4 0.9726 0. 0383 0. 0245 0. 0074 s. e. 0. 0100 0. 0139 0. 0141 0. 0102 sigma 2 estimated as 1. 11: log likelihood=-14712.19 AIC=29434.38 AICc=29434. 38 BIC=29470.43 O 1 Correct! O 2 O 3 0 4

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