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Sample statistic definition

Unfortunately for practitioners it's difficult to feel 100% confident when you describe things in Statistics.


Sample statistic is a term referring to the descriptive measure about a sample that is being taken from a population. The goal is to make a statement about the population with a reasonable amount of confidence. Examples for stocks may include: median sales, standard deviation of net income per share or mean debt-to-equity ratio. The following saying applies to a related term population parameter: The population parameter is to a population as a sample statistic is to a sample.

Synonym: statistic

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A sample statistic is a measure of the whole population. | True or False?


In a Sentence

Guy:  It's a sector-neutral beta from a 3-year rolling regression.
Rex:  That's your sample statistic ? May I ask, what drives you to be like this Guy?


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sample statistic
population parameter
investment modeling
descriptive measure