data have; input name $ level; cards; Frank 1 Joan 2 Sui 2 Jose 3 Burt 4 Kelly . Juan 1 run; data want; set work.levels; if level=. then exp="unknown"; else if level=1 then exp="Low"; else if level = 2 or 3 then exp="Medium"; else exp="High"; run; Which of the following is correct A)Low,Medium,High B)Low,Medium,High,Unknown C)Low,Medium,High,Unknown and high D)Low,Medium,High,Unknown, high, and (missing character values) Answer : B Could someone please suggest why it is B not C.. Many thanks in advance.
... View more