Engineering Mathematics · topic
Mean, median and mode for raw, frequency and grouped data, standard deviation and variance (population and sample), effect of shifting and scaling, combined mean and variance, and the mean-median-mode order for skewed data.
Descriptive statistics summarise a data set with a few numbers: where it is centred (mean, median, mode) and how spread out it is (range, variance, standard deviation). These are the sample counterparts of the expectation and variance of a random variable.
One-page visual sheets for this topic, in the sheet library on the store. Previews are free; the full sheets come with the subject pack.
