4. Introduction to Statistics Descriptive Statistics
advanced work, the median is more difficult to work with. If the data are skewed, it may be better to make a transformation (e.g. take logarithms) so that the transformed data are approximately symmetric and then use the sample mean. Statistical Inference Probability theory: the probability distribution of the population is known; we want to
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4. Introduction to Statistics Descriptive Statistics
cosmologist.infoStatistics for Engineers 4-6 Sample median The median is the central value in the sense that there as many values smaller than it as there are larger than it.
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