11. They thus are useful in robust statistics, as descriptive statistics , in statistics education, and when computation is difficult. 12. The "'partition of sums of squares "'is a concept that permeates much of inferential statistics and descriptive statistics . 13. This may be organized by governmental statistical institutes . "'Descriptive statistics "'can be used to summarize the population data. 14. "' Anscombe's quartet "'comprises four datasets that have nearly identical simple descriptive statistics , yet appear very different when graphed. 15. Statistical methods are used to summarize and describe a collection of data; this is called " descriptive statistics ". 16. Ripley's " K " and " L " functions are closely related descriptive statistics for detecting deviations from spatial homogeneity. 17. For example, the shooting percentage in basketball is a descriptive statistic that summarizes the performance of a player or a team. 18. For certain research interests, this smaller number can be more useful for presenting descriptive statistics than individual ICD-10-CM / PCS codes. 19. It is viewed as a branch of descriptive statistics by some, but also as a grounded theory development tool by others. 20. When a sample consists of more than one variable, descriptive statistics may be used to describe the relationship between pairs of variables.