Graduate Management Aptitude Test (GMAT) scores are widely used by graduate schools of business as an entrance requirement. Suppose that in one particular year, the mean score for the GMAT was 476, with a standard deviation of 107.

What values are one standard deviation above and below the mean?
A) 422 and 529
B) 369 and 583
C) 262 and 476
D) 476 and 690

Question

Graduate Management Aptitude Test (GMAT) scores are widely used by graduate schools of business as an entrance requirement. Suppose that in one particular year, the mean score for the GMAT was 476, with a standard deviation of 107.

What values are one standard deviation above and below the mean?
A) 422 and 529 
B) 369 and 583 
C) 262 and 476 
D) 476 and 690

anonymous · Answer

What value is two standard deviations above the mean?

What value is three standard deviations below the mean?

anonymous · Answer

476+107, and 476-107 so B