The __________Is a Stiff, Flexible Rod That, at Some Point

question 14

Short Answer

The __________is a stiff, flexible rod that, at some point during the development of all chordates, extends along the length of the body, sandwiched between the digestive tract and the nerve cord.

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Definitions:

Test Statistic

A value calculated from sample data during a hypothesis test that is used to determine the probability of observing the given or more extreme data if the null hypothesis is true.

T Value

A statistic calculated in a T-Test that determines the size of the difference relative to the variation in the sample data.

Degrees Of Freedom

Degrees of freedom in statistics refer to the number of values in the calculation of a statistic that are free to vary.

Significance Level

A threshold set by the researcher to determine the point at which the results of a statistical test can be considered to demonstrate a meaningful effect, typically denoted by alpha (α).