Change the final salary in Exercise 29 to $4000, with all other salaries being the same. Then find the mean of these salaries. State any conclusion that might be drawn from the result. (The $4000 here is called an outlier, which is an extreme value.)

Data from Exercises 29

The weekly salaries (in dollars) for the workers in a small factory are as follows:

600, 750, 625, 575, 525, 700, 550,
750, 625, 800, 700, 575, 600, 700

Find the median and the mode of the salaries.