The following ungrouped data represents the number of sick leave taken by a random sample of 34 employees during the year at the vortex manufacturing company. 2 3 3 3 4 4 4 4 4 5 5 5 5 5 5 6 6 6 6 6 6 6 6 7 7 7 7 7 9 9 9 9 10 10 a. find the weighted mean, mode, and median b. find the 1st quartile and explain your answer c. find the 82th percentile d. find the 2nd and 7th deciles