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Finding the quartiles for a set of numbers helps us to get a sense of how the data is spread out. Microsoft Excel can find the quartiles (Q1, Q2, and Q3) for any set of values you choose as...
Statistical dispersion helps us to get a handle on a data set by telling us whether its values are close together or far apart. Some measures of statistical dispersion help us to figure out how...
Box plots are used often in statistics to give a visual summary of a data set. However, this still raises the question of what exactly they reveal, and what we can calculate from what we are...