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Two-sample t-tests are statistical tests used to compare the means of two populations. Also known as Student’s t-tests, their results are used to determine if there is a significant difference between ...

The data are provided in the Analyst Sample Library. To access this Analyst sample data set, follow these steps: The test of interest is whether the difference of the means is zero. This is the ...

Abstract: The development of society requires high-quality talents, which propels colleges and universities to cultivate graduates with both theoretical and practical abilities. As an applied ...