1. The number of games won per season for the Ottawa Senators hockey team over their total 14 year existence is listed below: (same data as in question 1)

48 52 43 52 39 48 41

44 34 31 18 9 14 10

Find:

1. The standard deviation of the number of wins per year over the total 14 years (5 marks)

2. Using a proper statistical measure (and the results from question 1) comment on the shape of the distribution of wins per season for the Ottawa Senators. (2 marks)
3. The coefficient of variation. (2 marks)
4. During the same time period last year the coefficient of variation was calculated to be 32.2%. Given your result in c) has the variability in wins per season increased or decreased from last year. (1 mark)