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Explain the concept and purpose of z-scores and calculate them for the performance of the following...

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Statistics

Explain the concept and purpose of z-scores and calculate themfor the performance of the following set of portfolio managers.

PortfolioPortfolio Performance
Manager(AnnualisedReturn
Z2%
W11%
T-4%
S5%

Answer & Explanation Solved by verified expert
3.9 Ratings (712 Votes)
1 DefinitionZ score is the standardized value that specifies theexact location of an X value within a distributionby describing its distance from the mean in termsof standard deviation unitss or sigma according to whether thedata set is a sample or is the entire populationthe formulas in the definition    See Answer
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