Region A mean: $20.12 Region B mean: $17.77 Region A standard deviation: $6.09 Region B standard deviation: $8.12 The company wants to use the Empirical Rule to make some approximations about both data. What is the approximate range of values within one standard deviation of the mean for Region A?
a.) $14.03 - $26.21
b.) $14.09 - $26.15
c.) $14.18 - $26.06
d.) $14.24 - $25.98"