statistics help! standard deviation

Question

The standard deviation of Y is 1.236.

Choose the best interpretation of the standard deviation from those given below.

A) The most common number of siblings among high school students is 1.236.

B) The number of siblings would typically vary by about 1.236 siblings from the mean number of

siblings.

C) If many, many students were selected, we expect them to have about 1.236 siblings, on average.

D) The maximum number of siblings is 1.236 above the mean; the minimum number is 1.236 below the mean.

E) None of the above

Answer 1

B) The number of siblings would typically vary by about 1.236 siblings from the mean number of

siblings.