Restor Dent Endod.
2019 Aug;44(3):e26. 10.5395/rde.2019.44.e26.
Statistical notes for clinical researchers: the independent samples t-test
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- 1Department of Health Policy and Management, College of Health Science, and Department of Public Health Science, Graduate School, Korea University, Seoul, Korea. kimhaey@korea.ac.kr
- KMID: 2457506
- DOI: http://doi.org/10.5395/rde.2019.44.e26
Abstract
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Figure
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Figure 1. Types of 2-sample t-test.
Figure 2. The t-distribution with various degrees of freedom (df) compared to z-distribution.
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