What is the standard deviation and its meaning in the sample of customer ages? 45, 76, 30, 22, 51, 40, 63, 66, 27 Group of answer choices 17.8 which means that many of the ages will be within half of this value of the average age 18.8 which means that many of the ages will be around the square of this value 18.8 which means that many of the ages will be within this value of the average age 17.8 which means that many of the ages will be around this value