1. The women =s Canadian international world hockey team has the following goals scored against them for each of the games played so far this year:
Table 1:
| 6 |
4 |
5 |
4 |
2 |
|
23 |
5 |
8 |
5 |
1 |
2 |
2 |
2 |
2 |
0 |
10 |
1 |
2 |
2 |
2 |
3 |
4 |
2 |
3 |
The coach would like to know the following about her team=s efforts this past year:
a) On average, how the team is doing - can you help her out?
b) What are the median goals scored against them?
c) What are the most frequently occurring goals scored against throughout the season (she forgot its name, tell her what it is and give her the answer(s))
d) How disperse is their goal scoring against for this year.
e) She wants to compare this year=s team scoring records to last year=s. Last year=s team had a standard deviation of 1.0 for goal scoring against, with a mean of 4.5.In which year would you say the team is doing better? Why?
f) She examines the original data and wants to know, if she removed the values 8 and 104.what would the mean and standard deviation look like. Provide her with a brief explanation as to why there is a difference between the two sets of results.