Examlex
Which of the following amino acids possesses two hydrogen atoms adjacent to the carboxylic acid?
Standard Error
A statistic that measures the average distance that a sample statistic, such as the mean, deviates from the actual population mean.
Alternative Hypothesis
A statement that contradicts the null hypothesis and is tested directly in a hypothesis testing framework, assuming the null hypothesis is false.
T Procedure
A statistical test used to determine if there is a significant difference between the means of two groups when the variances are unknown and assumed to be equal.
Sign Test
A nonparametric statistical test used to evaluate the difference between paired samples, based on the direction of changes rather than the magnitude.
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