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As the Chief Investment Officer (CIO) of a global macro fund, you are tasked with assessing the performance of various international portfolio managers within your fund. You have compiled the following data on the annualized total returns for each manager:
Portfolio Manager | Annualized Total Return |
---|---|
Manager 1 | 21% |
Manager 2 | 17% |
Manager 3 | 11% |
Manager 4 | 18% |
Manager 5 | 13% |
Your objective is to calculate the unbiased sample variance for the annualized total returns presented in the table.