Categorical Variable: the variable whose values can be put into categories (groups). Cluster Sampling: a researcher divides the population into clusters. Then, a simple random sample of the clusters ...

UB departments and programs may consider collecting demographic data via surveys, Formstack, Google Forms, UB Marketplace, paper forms or other methods. At the same time, this information is ...

India's first Prime Minister Jawaharlal Nehru (left) with scientist and statistician PC Mahalanobis Indian data is staring at a credibility crisis with official numbers on a range of subjects - from ...

A capsule hotel in Tokyo is collecting and analyzing heart rates, breathing frequencies and other data of guests to improve the quality of sleep. Information technology provider NTT Data Japan Corp.