(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.
For priming flexible canvas, an emulsion of gesso and linseed oil, also called half-chalk ground, is used. In geology, the Italian gesso corresponds to the English gypsum, as it is a calcium sulfate mineral (CaSO 4 Â·2H 2 O).esso is also used by sculptors to prepare the shape of the final sculpture (fused bronze) or directly as a material for sculpting. Gesso can also be used as a layer between sculptured wood and gold leaf.