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In order to estimate the average electric usage per month, a sample of 64 houses was selected and the electric usage was determined. Assume a population standard deviation of 320 kilowatt-hours. If the sample mean is 1858 kWh, the 95% confidence interval estimate of the population mean is _____ kWh.
Eye Contact
The act of looking directly into another person's eyes, which can be a form of nonverbal communication indicating various emotions and intentions.
Placenta
An organ that develops in the uterus during pregnancy, providing oxygen and nutrients to the growing fetus while removing waste products from the fetus's blood.
Uterine Wall
The muscular layer of the uterus, which expands during pregnancy and contracts during childbirth.
Androgens
A group of hormones that play a role in male traits and reproductive activity; testosterone is the most known androgen.
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