T test as a parametric statistic
In statistic tests, the probability distribution of the statistics is important. When samples are drawn from population N (µ, σ2) with a sample size of n, the distribution of the sample mean X̄ should be a normal distribution N (µ, σ2/n). Under the null hypothesis µ = µ0, the distribution of statist...
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Format: | Article |
Language: | English |
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Korean Society of Anesthesiologists
2015-12-01
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Series: | Korean Journal of Anesthesiology |
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Online Access: | http://ekja.org/upload/pdf/kjae-68-540.pdf |