The following table gives the frequency distribution of the head circumference (in cm) for a sample of 500 full term newborn female infants. Head circumference Number of infants (cm) (A) 31 cm to less...

Extracted text: The following table gives the frequency distribution of the head circumference (in cm) for a sample of 500 full term newborn female infants. Head circumference Number of infants (cm) (A) 31 cm to less than 33 134 cm 33 cm to less than 35 232 cm 35 cm to less than 37 109 cm 37 cm to less than 39 cm Total 500 Calculate the mean head circumference for these grouped data. Enter your answer using one decimal place. 25