The numbers of trading cards owned by 9 middle-school students are given below.
(Note that these are already ordered from least to greatest.)
321, 442, 447, 470, 508, 539, 572, 595, 597
Suppose that the number 597 from this list changes to 444. Answer the following.
(a) What happens to the median?
It decreases by
It increases by
It stays the same.
(b) What happens to the mean?
It decreases by
It increases by
It stays the same.