JEE Main 20199 Apr, Morning shiftMathematicsEasyStatistics and Probability258× since 2002If the standard deviation of the numbers –1, 0, 1, k is 5\sqrt 55 where k > 0, then k is equal toAOption A. 26\sqrt 66BOption B. 6\sqrt 66COption C. 2562\sqrt {{{5} \over 6}}265DOption D. 21032\sqrt {{{10} \over 3}}2310CheckSkip · show solution
