didieravoaka wrote:
Thanks to help.
Required: Range of scores in Class 1 = Range of scores in class 2?
Statement 1: # of students in each class = 26. Lowest score in each class = 70
Range is the spread of values from the lowest to the highest.
From this statement, we just know the lowest value, but not the highest.
INSUFFICIENT
Statement 2: Average = 85
Average does not tells us anything about the range.
INSUFFICIENT
Combining both 1 and 2:
We have the average, the lowest and the # of students.
Still we cannot say anything about the highest marks.
INSUFFICIENT
Correct Option:
E