5. (10 points) The following stemplot displays the number of hours worked last week by all the CNAs at a local hospital. Stem Leaf 0 8 8 8 1 6 68 8 2 0 4 4 4 4 3 0 0 0 2 2 6 6 66 4 0 0 0 0 0 0 0 4 4 48 8 8 5 2 24 46 a) How many CNAs work at this hospital? b) Find the mean number of hours worked. Round to one decimal place, if necessary. 21 c) Find the median number of hours worked. was commna in between each data entry d) Find the mode of the number of hours worked, if it exists