In a survey of National Hockey League players, 75 play-ers were asked how many teeth they had lost due tocontact during games. Survey results are as follows:

Missing Teeth xNo. of Players f(x)

0 1

1. 4
2. 8
3. 13
4. 22
5. 18
6. 9

Total 75

b. Compute themean, the varianceand the standarddeviation for the data.

c. Identify the median and the mode."