SAT Math Easy Practice Quiz
Data, Statistics, and Probability
x
◦
y
◦
z
◦
1.
In the triangle above, what is the average (arithmetic
mean) of
x
,
y
, and
z
?
(A)
30
(B)
45
(C)
60
(D)
75
(E)
90
2, 4, 6, 8, 10, 12, 14, 16, 18
2.
If a number is selected at random from the list above,
what is the probability that the number is divisible by
3 ?
(A)
1
3
(B)
4
9
(C)
5
9
(D)
2
3
(E)
1
3.
A basket contains turnips that are either red or white. If
the total number of turnips in the basket is 24, and the
probability of choosing a red turnip at random is
5
6
, how
many red turnips are in the basket?
4.
Let set
M
=
{
x
, 2
x
, 4
x
}
for any number
x
. If the average
(arithmetic mean) of the numbers in set
M
is 14, what
is the value of
x
?
(A)
2
(B)
6
(C)
7
(D)
10
(E)
12
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pg. 7