Which of the following is a correct interpretation of standard deviation?
a. All the infants born in April weighed between 117.8 oz. and 138.2 oz.
b. About half the infants born in April weighed between 117.8 oz. and 138.2 oz.
c. The difference between the mean weight and the median weight of infants born in April
was 10.2 oz.
d. The distance between the weight of each infant born in April and the mean weight was,
on average, about 10.2 oz.
e. The mean weight of infants born in subsequent months is likely to be within 10.2 oz. of
the mean weight in April.