The Decidua Basalis of the Endometrium and the Chorionic Villi

question 16

Multiple Choice

The decidua basalis of the endometrium and the chorionic villi of the fetus grow together to form the

• A)placenta.
• B)blastocyst.
• C)amnion.
• D)ectoderm.
• E)morula.

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Definitions:

Unbiasedness

A statistical property indicating that an estimator or methodology does not systematically favor certain outcomes over others.

Sample Variance

The measure of variability in a sample dataset, calculated as the sum of squared deviations from the mean, divided by the number of observations minus one.

Population Variance

A measure of how data points in a given population are dispersed from the average value.

Unbiased Estimator

A statistical estimator whose expected value is equal to the true parameter of the population being studied.