[Solved] i. In order to visualize the form of the regression equation, we can draw a scatter diagram. ii. When a regression line has a zero slope, indicating a lack of a relationship, the line is vertical to the x-axis. Iii) In regression analysis, the predicted value of Y' rarely agrees exactly with the actual Y value, i.e., we expect some prediction error. A) (i), (ii) and (iii) are all correct statements B) (i) and (ii) are correct statements, but not (iii). C) (i) and (iii) are correct statements but not (ii). D) (ii) and (iii) are correct statements but not (i). E) All statements are false Routine Tests: Standard medical tests performed during a physical examination or check-up to monitor and maintain overall health and detect any possible diseases or conditions early. Optical Microscope: A type of microscope that uses visible light and a system of lenses to magnify objects, allowing for the observation of small details not visible to the naked eye. Illuminating: Providing light to an area or making something clearer and more understandable. Iris: The colored part of the eye, made of muscular tissue that contracts and relaxes, altering the size of the pupil.