Another swim 2010 In Exercise 40, we saw that Vicki Keith’s round-trip swim of Lake Ontario was an obvious outlier among the other one-way times. Here is the new regression after this unusual point is...

Another swim 2010 In Exercise 40, we saw that Vicki Keith’s round-trip swim of Lake Ontario was an obvious outlier among the other one-way times. Here is the new regression after this unusual point is removed:

a) In this new model, the value of se is smaller. Explain what that means in this context.

 b) Now would you be willing to say that the Lake Ontario swimmers are getting faster (or slower)?