The monthly rents (in dollars) paid by

10

people are given below. (Note that these are already ordered from least to greatest.)

855

,

895

,

980

,

1000

,

1010

,

1030

,

1065

,

1080

,

1140

,

1195

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Suppose that one of the people moves. His rent changes from

$855

to

$1055

. Answer the following.

(a) What happens to the mean?	It decreases by		$.
It increases by		$.
It stays the same.
(b) What happens to the median?	It decreases by		$.
It increases by		$.
It stays the same.