A) What is the 25th percentile of the birth weight of infants whose mothers gained 75+ pounds?
B) What is the 75th percentile of the birth weight of infants whose mothers gained 50-74 pounds?
C) What is the IQR for the birth weight of infants whose mothers gained less than 50 pounds?
5.12 points: The following figure shows the birth weight, in grams, of infants who were delivered full-term classified by their mother's weight gain during pregnancy:
50-74 pounds
2500
2750
3000
3250
3500
3750
4000
4250
4500