Descriptive Statistics Skewness. A measure of the tendency of your data to have extreme values to one side. A distribution with a long left tail is left-skewed or negatively-skewed.
The data below come from Burrell and Cane 1977 on the patterns of borrowing from libraries. If the extreme values are to the right the data set is. Measures of central tendency include the mean median and mode while measures of.
Skewed to the Right.
Look ahead at the instructions and scoring guide for the Unit 3 assignment so that you have it in mind as you study the materials and complete the activities in this unit. Kurtosis is descriptive or summary statistics and describes peakedness and frequency of extreme values in a distribution. Skewed to the Right. We use skewness as a measure of symmetry.
