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Type I error

In statistical hypothesis testing, a Type I error consists of rejecting a valid null hypothesis as invalid. The symbol for the probability of a Type I error is <math>\alpha</math> (alpha).

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Sakhalin

... of mountains traverse it from north to south, reaching 2000 to 5000 ft. The Western-Sakhalin Mountains peak in Mt. Ichara, 4860 ft., while the Eastern-Sakhalin Mountains's ...