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The mean weight of newborn infants at a community hospital is said to be 6.6 pounds. A sample of seven infants is randomly selected and their weights at birth are recorded as 9.0, 7.3, 6.0, 8.8, 6.8, 8.4, and 6.6 pounds. What is the sample variance?
Foramen Ovale
An opening in the septum between the two upper chambers of the heart (atria) that is present in the fetus but normally closes shortly after birth.
Fetal Development
The process of growth and maturation of a fetus inside a woman's uterus from conception to birth.
Left Atria
The left atria is one of the four chambers of the heart, receiving oxygenated blood from the lungs and pumping it into the left ventricle.
Progesterone
A hormone produced in the ovaries, placenta, and adrenal glands that plays a key role in the menstrual cycle, pregnancy, and embryogenesis.
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