Size does matter
Sample size. A series of considerations are made about the influence of sample size on the precision and probability of error of the study.
Evidence Based Medicine pills
Evidence Based Medicine pills
Sample size. A series of considerations are made about the influence of sample size on the precision and probability of error of the study.
Confidence interval. The confidence interval marks the limits of uncertainty for the estimation of a population parameter from a sample.
Null hypothesis. The null hypothesis is the center of the hypothesis testing, which seeks to be able to reject it when statistical significance is reached.