[DAT Question of the Day, Click Display Images To See] + Join us on Facebook<http://datquestionoftheday.us4.list-manage.com/track/click?u=d3318065969b7c08ead5d4c4d&id=77c2a99004&e=61d7ba7392> + Connect on Twitter<http://datquestionoftheday.us4.list-manage.com/track/click?u=d3318065969b7c08ead5d4c4d&id=a8520b7db0&e=61d7ba7392> Mean and Standard Deviation If the mean and standard deviation of the data set {12,14,19,x} are 15 and √26, respectively, x = ? A. 15 B. 16 C. 14 D. √236 E. √212 To see the solution and images, visit the following link: http://datquestionoftheday.com/math/mean-and-standard-deviation/<http://datquestionoftheday.us4.list-manage1.com/track/click?u=d3318065969b7c08ead5d4c4d&id=85c0c1620e&e=61d7ba7392>