A histogram is a chart that shows frequencies for equal width intervals of values of a metric variable. A company wants to know how monthly salaries are distributed over 1,110 employees having operational, middle or higher management level jobs. The screenshot below shows what their raw data look like.
The snowflake schema is a variation of the star schema, featuring normalization of dimension tables. In computing, a snowflake schema is a logical arrangement of tables in a multidimensional database such that the entity relationship diagram resembles a snowflake shape. The snowflake schema is represented by centralized fact tables which are connected to multiple dimensions..
Snowflake is a town in Navajo County, Arizona, United States. It was founded in 1878 by Erastus Snow and William Jordan Flake, Mormon pioneers and colonizers. It has frequently been noted on lists of unusual place names. According to 2012 Census Bureau estimates, the population of the town is 5,564.