Student's t distribution - Video

Math > Student's t distribution

Posted by bionicturtledotcom on April 01, 2008

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The small sample is a 10-day series of Google's daily periodic returns. The question is, with 95% confidence, what is the true (population) average return? This is the essence of statistics, based on sample statistics (sample mean, sample variance) we are trying to infer population parameters (population mean).

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