GRE
The average of Set A
The average of Set B
x
90
The median of the list of angles
90°
The median of the numbers in List M
52.5
$$\frac{a+b}{2}$$
The median of four numbers
The probability of randomly selecting a number that is greater than 7
0.5
The mean of the 7 integers
m
The median of List R
The median of List S
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