MathLiveOne-sample t-test statistic
Gives the t statistic for testing whether a population mean equals a hypothesised value when the population standard deviation is unknown. It is compared with a t distribution with n minus 1 degrees of freedom.
t = \frac{\bar{x} - \mu_0}{s / \sqrt{n}}What the symbols mean
| sample mean | |
| hypothesised population mean under the null hypothesis | |
| sample standard deviation | |
| sample size |
About this formula
- FieldStatistics
- TopicHypothesis testing
- LevelUniversity
- Also calledt-test statistic for a mean, one sample t statistic, t statistic for sample mean, student t test for mean, t score for mean, one-sample t-test formula
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