A student had an average (arithmetic mean) score of 78.8 for 10 tests. The student took an 11th test and had a score of 95. If the teacher then dropped the lowest of the 11 scores, which of the following must be greater for the new set of 10 scores than for the original 10 scores?

I. The mean
II. The median
III. The standard deviation

(A) I only
(B) II only
(C) III only
(D) I and III
(E) II and III

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