Analyzing Standard Deviation and Mean The mean tests scores with standard deviations of four English classes are given in the Which statement is most likely to be true? table. Class Mean Standard Deviation The scores from Mrs. The scores from Mr. Jones's class are the Phan's class are the Mrs. Jones 89 1.9 closest to the class closest to the class mean. mean. Mrs. Rijo 82 1.4 Mr. Phan 73 3.4 Mrs. Scott 90 6.1 The scores from Mrs. The scores from Mrs. Rijo's class are the Scott's class are the closest to the class closest to the class mean. mean