At Center Hospital there is some concern about the high turnover of nurses. A survey was done to determine how long (in months) nurses had been in their current positions. The responses (in months) of 20 nurses were: 24, 4, 7, 17, 25, 38, 27, 46, 12, 9, 8, 24, 30, 26, 28, 12, 20, 31, 9, 39 Find the Q1, Q2 AND Q3. Find the value of the interquartile range (IQR). Find the lower and upper limits