JEE Main 2016Session, Shift 1MathematicsMediumStatistics and Probability258× since 2002If the standard deviation of the numbers 2, 3, a and 11 is 3.5, then which of the following is true?AOption A. 3aaa² - 26aaa + 55 = 0BOption B. 3aaa² - 32aaa + 84 = 0COption C. 3aaa² - 34aaa + 91 = 0DOption D. 3aaa² - 23aaa + 44 = 0CheckSkip · show solution
