Restor Dent Endod.
2013 Nov;38(4):263-265.
Statistical notes for clinical researchers: Understanding standard deviations and standard errors
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- 1Department of Dental Laboratory Science and Engineering, College of Health Science & Department of Public Health Science, Graduate School & BK21+ Program in Public Health Sciences, Korea University, Seoul, Korea. kimhaey@korea.ac.kr
Abstract
- No abstract available.
Figure
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Figure 1 Selection of different samples and sample variability.
Figure 2 Three distinct distributions. (a) distribution of a population or a sample; (b) a sampling distribution of sample means; (c) the standardized normal; (Z) distribution.
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