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Chemical Applications of Statistical Analyses
Student's t-Test for Significance Checks
Description
Student's t-test is a statistical tool for checking whether two means are different in a meaningful way. It can compare a sample mean with a population mean, or it can compare the means from two data sets. The test uses the mean, standard deviation, and number of measurements, along with a chosen confidence interval.
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Transcript
The influence of changing the method, the sample, or the analyst on the analysis results is studied by altering only one in a pair of experiments.
The t-test compares the statistical significance of one mean with another's mean value or with a known value.
In a t-test, unpaired data are two independent sets of dat...
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