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How Can Historical Performance Help the Analyst Assess the Future

question 37

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How can historical performance help the analyst assess the future prospects for an industry?


Definitions:

Standard Deviation

A measure used in statistics to quantify the amount of variation or dispersion of a set of values.

Percentile Rank

A score that indicates the percentage of scores in its frequency distribution that are equal to or below it.

Z-Scores

Statistical measures that indicate how many standard deviations an element is from the mean of a distribution.

Norm Group

A representative sample of the population by which test scores are interpreted and compared.

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