Examlex
A researcher who is investigating the possibility that some mental illnesses have a genetic basis is most likely being guided by which perspective?
T-statistic
The T-statistic is a ratio used in hypothesis testing that compares the difference between an observed sample mean and a known value, to the standard error of the mean.
Null Hypothesis
A default hypothesis that there is no significant difference or effect, typically set against the alternative hypothesis in statistical testing.
Alpha
A coefficient used in statistics that represents the level of significance, often denoted as the probability of rejecting a true null hypothesis.
T-statistic
A type of statistic used in hypothesis testing, calculated to compare the mean of a sample to the known mean of the population.
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