The means and standard deviations of four data sets are shown in the table. Which of the data sets is most spread out?
Data Set Mean Standard deviation
A
14.1
1.7
B
13.9
2.5
С
13.8
1.2
D
14.3
2.2
O A. Data set D
B. Data set C
C. Data set A
O D. Data set B