In research, examining variables is a major part of a study. There are three main types of variables: continuous variables can take any numerical value and are measured; discrete variables can only take certain numerical values and are counted; and categorical variables involve non-numeric groups or categories. To unlock this lesson you must be a Study.com Member.
Tomoson.com is a service to find bloggers who are interested in doing product reviews or where bloggers can find products that they would like to review. Itâs currently in beta and free, but once out of beta, I expect that there will probably be some type of paid account required.
Covalent Technologies is the leading provider of products and services for Tomcat and Apache, the world's leading Web server, and the only source for full commercial support for Apache and Tomcat on a global basis. Covalent currently supports more than 50% of Fortune 500 and 70% of Fortune 100 companies.