"After a mid-term exam the students of a class had the following grades." 85%, 79%, 55%, 90%, 60%, 75%, 62%, "9%, 3%, 90%, 85%, 0%, 60%,88%, 56%, 71%, 82%, 85%, 78%. a) Find the Mean. b) Find the Median. c) Find the Mode. d) Form ve equal interval groups (starting at 50% and ending with 99%] from the data above. Find the Mode based on grouping. e) Plot a Frequency Distribution table based on the data above. "Assume that one student was sick on the exam day. The student passed the retake-exam with 96%." f) Find the Mean. g) Find the Median. h] Find the Mode. i] Form ve equal interval groups (starting at 50% and ending with 99%] from the data and the additional information above. Find the Mode based on grouping. j] Plot a Histogram from your ndings in i]