1. Find the range for each set of data a) 12, 14, 17, 25, 0,21.-6
b) 4.0.-5.-6.4.0.4
c)25.16.3 6.9 3.48,7.9

2. in an archery tournament the coach has
to choose either George or Sam to play
in the final round. In the previous eight
tounds, they scored:
George
Sam
75.92, 80, 73, 72, 88, 86, 90
30. 87. 85, 76, 85, 79, 84, 88
a) Find the range for each person
b) Find the mean score for each person
c) Who would you choose to play and why?

3. Kim can use either the Red line tram or the Blue line tram
to take her to work. She has kept a record of the lateness
of each tram during the last 2 weeks
Red line 0.2.4, 8, 4, 6, 3.9. 8,6
Blue line 1,0, 13, 1.5,3, 10.3.0.4
a) Find the range of lateness for each tram
b) Calculate the mean minutes late for each tram
c) Which tram would you advise Kim to catch? Why?