(2.1). Where Yi is a score on the dependent variable for the i th person, a + b X i describes a line or linear function relating X to Y, and e i is an error. Note that there is a separate score for each X, Y, and error (these are variables), but only one value of a and b, which are population parameters.
Geritol is the brand name of complex multivitamin supplements that contain added iron. Geritol is manufactured by GlaxoSmithKline and comes in either a pill form or a liquid tonic. Many women swear by Gertiol, and in fact, there used to be a grass roots slogan for Geritol: âThere's a baby in every bottle!â.
Home Â» Tramadol Uses, Warnings and Treatment. Tramadol is a narcotic-like pain reliever. Tramadol hydrochloride is a Generic name brand for Ultram, it is usually used to treat moderate to moderately severe pain. Tramadol is available in extended release tablets and should be taken exactly as directed.ramadol is an opioid analgesic used to treat moderate to severe pain. Tramadol was developed by the German pharmaceutical company Grunenthal GmbH in the late 1970s, marketed under the name Tramal. It is also licensed under other names including Ultram.