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Dispersion measures. Some dispersion measures are described, such as the interquartile range, the deciles and the percentiles.
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Dispersion measures. Some dispersion measures are described, such as the interquartile range, the deciles and the percentiles.
Dispersion measures. Dispersion measures such as variance and standard deviation are described, as well as their relationship with the confidence intervals.
Sample size. A series of considerations are made about the influence of sample size on the precision and probability of error of the study.
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.