Which Statement About Development in the Embryonic Stage of Development

question 116

Multiple Choice

Which statement about development in the embryonic stage of development is true?

• A)The embryo is viable by the end of the stage.
• B)The eyes develop between days 21 and 28.
• C)The primitive portions of the brain form last.
• D)At this end of this period,the organism is about 10 inches long.

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Definitions:

Dependent Samples

Two or more groups of observations where the individuals or items in one group are related or matched to those in the other groups.

T-Test

A statistical test used to compare the means of two groups or to compare a sample mean with a known value when the sample size is small and the population variance is unknown.

Sign Test

A non-parametric test used to determine if there is a significant difference between paired observations, based on the direction of differences rather than the size.

T Test

A statistical test used to compare the means of two groups, or a sample mean to a known value, to determine if they are significantly different from each other.