If we add a constant 3 to each observation of a data set then find the mean:A. Increased by 3 B. Decreased by 3C. No effectD. None of these 0 0 votesArticle Rating Subscribe LoginNotify of new follow-up commentsnew replies to my comments Label {} [+] Name* Email* Website Label {} [+] Name* Email* Website 0 Comments Oldest Newest Most Voted Inline FeedbacksView all comments