The Amniotic Egg First Appeared in Which Group of Animals

question 77

Multiple Choice

The amniotic egg first appeared in which group of animals?

• A)amphibians
• B)reptiles
• C)birds
• D)mammals

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Definitions:

Critical Value

A threshold in hypothesis testing that defines the boundary beyond which an observed test statistic is considered statistically significant.

Level of Significance

A threshold used in hypothesis testing that determines the probability of wrongly rejecting a true null hypothesis.

T-test

A statistical method employed to ascertain whether there's a notable difference in the average values of two distinct groups.

Null Hypothesis

A statement positing that there is no significant difference or relationship between specified populations, any observed difference being due to sampling or experimental error.