**Problem : **
The mean of
{4, 2, -19, 13, 17, 5*x* - 15}
is
7
. What is
*x*
?

**Problem : **
The mean of a set of
10
numbers is
67
. If the values
99
and
67
are removed from the set, what is the new mean?

*Hint: Find the total of the 10 original numbers.*

**Problem : **
The median of
{52, 10, 3, -6, 25, 6*x*}
is
14
. What is
*x*
?

**Problem : **
The median of
{9, 12, 16, -3, 5*x* + 2}
is
12
. What are the possible values of
*x*
?
Write your answer as an inequality.

**Problem : **
The mode of
{4, 5, 1, 4, 4, 9, 5, *x*}
is 4. What are the possible values of
*x*
? Write
your answer as an inequality.

**Problem : **
Bill picks
5
whole numbers. Four of them are
{2, 4, 7, 2}
. The
range of his numbers is
5
. The median of his numbers is
4
. The
mode of his numbers is
2
. The mean of his numbers is not equal to
4.2
. What is the fifth number?