P 3 (12 MARKS IN TOTAL). Squirrel, numerous in the neighborhood, run at full speed on

electric cables. A sensor records their flow at a reference point. The following table depicts the

record for each of the last 10 observed squirrels i, and the elapsed time i t (in seconds) between

two records.

Squirrel i 1 2 3 4 5 6 7 8 9 10

i t (secs) 2 20 15 5 4 8 194 443 3 6 700

(a) Compute the average elapsed time.

(b) Compute the standard deviation of the elapsed time.

(c) Compute the median of the elapsed time.