The t-test is a very powerful measure of statistical significance which can be calculated by hand or with a simple calculator, as well as by a computer program.

Name: The t-test is a very powerful measure of statistical significance which can be calculated by hand or with a simple calculator, as well as by a computer program.
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The t-test is a statistical test used to compare the means of two groups and can be calculated manually using formulas, with a calculator, or using statistical software.

The T-Test Is a Very Powerful Measure of Statistical Significance