(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.
Megestrol is a man-made chemical similar to the female hormone progesterone. Megestrol is used to treat loss of appetite and weight loss in people with acquired immunodeficiency syndrome (AIDS). Megestrol is also used in the treatment of advanced breast cancer and endometrial cancer.Megestrol may also be used for purposes not listed in this medication guide.egestrol is used to treat loss of appetite and weight loss in people with acquired immunodeficiency syndrome (AIDS). Megestrol is also used in the treatment of advanced breast cancer and endometrial cancer.