GRE
The standard deviation of 1, 11 and 111
The standard deviation of 2, 22 and 222
The standard deviation of integers in Set A
The standard deviation of integers in Set B
The standard deviation of 11, 22 and 33
The standard deviation of 111, 222 and 333
The standard deviation of distribution C
The standard deviation of distribution D
The standard deviation of all the numbers in Set A
The standard deviation of all the numbers in Set B
x
y
The standard deviation of a, b, c, d and e
The standard deviation of a+1, b, c, d and e-1
The probability of the event that the value of Y is greater than 220
$$\frac{1}{6}$$
The percentage of number between 42.8 to 44.6
The percentage of number between 53.6 to 55.4
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