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Please Note that this question dor data analytics and Finance You have a data series of YEN/USD foreign exchange rates and suspect that it's fat-tailed.
Please Note that this question dor data analytics and Finance
You have a data series of YEN/USD foreign exchange rates and suspect that it's fat-tailed. You have 10,245 observations and want estimate the Paretian tail of your data. You use the following model: p(x)=Cx. You use maximum likelihood estimation and retrieve an estimate for corresponding to ^=2.09. Test the hypothesis: H0:2.00versusH1:>2.00 What is the correct answer? - Because ^=8.30 you reject the null hypothesis that the process exhibits an infinite (undefined) theoretical mean. - Because ^=1.61 you cannot reject the null hypothesis that the process exhibits an infinite (undefined) theoretical mean. - Because ^=0.0109, the corresponding test statistic is ^=191.7431 and therefore ^ is statistically significant. - Because ^=0.1090, the corresponding test statistic is ^=19.1743 and, as a result, ^ is not statistically significantStep by Step Solution
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