In a lumberjack competition, the log sawing contest is very popular. Below are the times in seconds recorded for this contest. Log sawing times recorded at lumberjack competition (in seconds) 7.1 5.1 7.4 7.5 6.9 6.8 6.8 6.8 6.8 7.5 6.8 13.8 6.9 6.7 10.1 a) Identify any outliers and calculate the arithmetic and trimmed means. b) Which measure of central tendency best identifies the average time to saw through the log