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Introduction to Confidence Intervals

A confidence interval is a range of valuesthat encloses a parameter with a given likelihood.So let’s say we’ve a sample of 200 people from a population of 100,000. Our sample data come up with a correlation of 0.41 and indicate thatthe 95% confidence interval for this correlationruns from 0.29 to 0.52.This means that the range of […]

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What The Statistical or Data Analyst Do It involves the Data analyst in the process of systematically applying statistical and/or logical techniques to describe and illustrate, condense and recap, and test data. According to various analytic procedures “provide a way of drawing an inductive inference from data and distinguishing the signal (the phenomenon of interest) […]

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