Question

a scientist collected two sample sets of snowfall data. which statistic should he use to compare the spread of the two sets of data?
median
mode
mean
standard deviation

Explanation:

Median is the middle - value, mode is the most frequent value, and mean is the average. Standard deviation measures the amount of variation or dispersion of a set of values. To compare the spread of two data - sets, standard deviation is used.

Answer:

standard deviation