Excel's =100*RAND() function produces continuous random numbers that are uniformly distributed between 0 and 100. The standard deviation of this distribution is approximately:
A)50.00.
B)28.87.
C)33.33.
D)25.00.

Question

Quizplus · Accepted Answer

The standard deviation of a uniform distribution between 0 and 100 is √(100^2/12), which is approximately 28.87. Therefore, the best choice is B.

Excel's =100*RAND() Function Produces Continuous Random Numbers That Are Uniformly