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The purpose of the SS was to
Null
Usually referring to the null hypothesis, it's a statement suggesting no significant effect or difference in a clinical or experimental study.
Alpha
In hypothesis testing, the probability of making a Type I error; the significance level set before conducting a test.
Alternative
Refers to the alternative hypothesis in statistical testing, which contrasts the null hypothesis by suggesting there is a significant effect or difference.
T-statistic
A ratio used in hypothesis testing that compares the difference between an observed sample mean and a hypothetical population mean to the standard error of the mean.
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