Definitions from the Web
t-tests
Definition: The t-tests are statistical tests that are used to determine if there is a significant difference between the means of two groups. They are commonly used in research and hypothesis testing.
Types of t-tests:
- Independent samples t-test: This t-test is used to compare the means of two independent groups, such as testing the effectiveness of a new drug on two separate groups of patients.
- Paired samples t-test: This t-test is used to compare the means of two related groups, such as testing the performance of students before and after a training program.
Example sentences:
- The researchers conducted an independent samples t-test to determine if there was a significant difference in test scores between the control and experimental groups.
- She used a paired samples t-test to analyze the data and found a significant improvement in participants' reaction times after the intervention.
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