Mrs. martin gives a quiz in her math class. there are 15 students in the class and the median score is 82. if the range of scores is 6, and all scores are whole numbers which conclusion is true? a) some students in her class received the same score. b) no student in the class received an 84 on the quiz. c) the mean of the quiz scores is 81. d) the mode of the quiz scores is 82.