The data below represent the scores of 54 students on a vocabulary test: 18, 18, 17, 16, 11, 12, 13, 9, 8, 9, 11, 15, 13, 14, 17, 17, 18, 19, 13, 11,7,6,4, 14, 13, 5, 9, 19, 18, 19, 17, 11, 17, 11, 18, 12, 15, 6, 18, 18, 17, 13, 18, 14, 4, 3, 15, 18, 1, 18, 11, 17, 10, 10 What is the mean of this data? (Round your answer to one decimal place.) mean: Ind What is the median of this data? (Give your answer to one decimal place if needed.) median