The mean birth weight of infants born at a certain hospital in the month of april was 128 oz. with a
standard deviation of 10.2 oz which of the following is a correct interpretation of standard
deviation?
(a) all the infants bom 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 bon in april and the mean weight was, on
average, about 10.2 oz.
(c) the mean weight of infants born in subsequent months is likely to be within 10.2 oz. of the
mean weight in april.