Category
page 1Statistics
statistics
thumb|upright=1.3|right|The normal distribution, a very common probability density, is used extensively in [[inferential statistics.]]
thumb|upright=1.3|right|Scatter plots and [[line charts are used in descriptive statistics to show the observed relationships between different variables, here using the Iris flower data set.]]
analytic hierarchy process
structured technique for organizing and analyzing complex decisions, based on mathematics and psychology