The score of 19 students on a math test (out of 20) is as follows:
8, 10, 8, 10, 7, 17, 18, 16, 19, 18, 17, 11, 11, 9, 19, 13, 14, 16, 15,
Find i) Mean ii) Median iii) Standard Deviation iv) First Quartiles v) 37th Percentile
vi) 63
th Percentile vii) 55th Percentile