Why is it that the test stat for VaR backtesting (Jorion) equals the sample estimate minus the population estimate divided by the standard error, while in Bodie, it equals the sample estimate times (n^.5) divided by the standard error?
In other words - Jorion: (actual exceptions - expected...
The explores the answer to Miller's EOC Question #2: "You are given the following sample of annual returns for a portfolio manager. If you believe that the distribution of returns has been stable over time and will continue to be stable over time, how confident should you be that the portfolio...
Learning objectives: Calculate and interpret the sample mean and sample variance. Construct and interpret a confidence interval. Construct an appropriate null and alternative hypothesis, and calculate an appropriate test statistic.
Questions:
For the following questions, please feel free to...
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