A business analyst compares 2017 daily sales to 2018 daily sales using descriptive statistics for each.In 2017, the standard deviation of daily sales was 73.87, while in 2018 the standard deviation of daily sales was 136.32.The analyst could conclude that ____________.
A)in 2018 there was more variation in daily sales
B)the average daily sales increased between those two years
C)in 2018 there was less variation in daily sales
D)the variance remained the same between the two years
E)the average daily sales decreased between those two years

Question

Quizplus · Accepted Answer

The standard deviation is a measure of the amount of variation or dispersion in a set of values. A higher standard deviation indicates more variation. Since the standard deviation in 2018 is higher than in 2017, it means there was more variation in daily sales in 2018.

A Business Analyst Compares 2017 Daily Sales to 2018 Daily