Question

what does the standard deviation of a set of data tell you?
a. how spread out the data are
b. the maximum value of the data
c. how many data points there are
d. the smallest data value

Explanation:

The standard deviation is a measure of the amount of variation or dispersion of a set of values. A low standard deviation indicates that the values tend to be close to the mean of the set, while a high standard deviation indicates that the values are spread out over a wider range.

Answer:

A. How spread out the data are