Bell Curve: Standard Deviation
View the Lesson | MATHguide homepage Updated June 21st, 2023

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Problem: Given a mean of 77.6 and a standard deviation of 4.2, determine the values marked A - F on the bell curve below that correspond to three standard deviations.
 
Bell Curve Standard Deviation
 
Solution:
A:
B:
C:
D:
E:
F:
G: