Primary Data: the data collected for this project. Probability Sampling: sampling methods where we know probability of an object or a particular sample being selected. Quantitative Variable: the ...

The First Org Chart Ever Made Is a Masterpiece of Data Design From a 19th century railroad company comes the mother of all corporate organizational charts.

The first is primary data, which involves information collected personally by a sociologist. The sociologist, therefore, knows exactly how the data was collected, by whom and for what purpose (you don ...