Which of the following normal distributions has the smallest spread?

Question

A. A normal distribution with mean 1 and standard deviation 3
B. A normal distribution with mean 0 and standard deviation 2
C. A normal distribution with mean 3 and standard deviation 2
D. A normal distribution with mean 2 and standard deviation 1
E. None of the above

Answer 1

Standard deviation is a measure of spread. Choose the smallest spread among responses A to D.