A regression with two or more predictor variables is called a multiple. regression. (When we need to note the difference, a regression on a single predic-. tor is called a simple regression.) Weâd never try to find a regression by hand, and. even calculators arenât really up to the task.
Different jurisdictions have different definitions of what constitutes a prescription drug. Rx is often used as a short form for prescription drug in North America-a contraction of the Latin word  recipe  (an imperative form of recipere) meaning take.
Amerivantage Classic Choice + Rx (HMO-POS) (H5817-010) The plan offers national in-network prescription coverage. This means that you will pay the same amount for your prescription drugs if you get them at an in-network pharmacy outside of the plan's service area (for instance when you travel).