The Sample Variance S ² Is an Unbiased Estimator of the Population

question 33

True/False

The sample variance s ² is an unbiased estimator of the population variance s ² when the denominator of s ² is n .

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Definitions:

Period Of The Zygote

Approximately a 2-week period from the time of fertilization of a human ovum by a sperm to the time of implantation in the uterine wall.

Period Of The Fetus

Lasting from the ninth week of gestation until birth, the time of rapid growth and further differentiation when the reproductive system forms, gains in body weight occur, and the brain and nervous system continue to develop.

Chromosomes

Structures made of DNA and proteins that contain the genetic information of an organism.

Teratogens

Agents that can cause developmental abnormalities or birth defects in a developing fetus when exposed to the mother.