When Testing for Differences of Means,the T-Statistic T =

question 30

Multiple Choice

When testing for differences of means,the t-statistic t = , where has

• A)a student t distribution if the population distribution of Y is not normal
• B)a student t distribution if the population distribution of Y is normal
• C)a normal distribution even in small samples
• D)cannot be computed unless =

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Definitions:

Petiole

The part of a plant leaf that connects the blade to the stem.

Organs

Structures or groups of tissues in a living organism that perform a specific function or group of functions.

Tissues

Groups of similar cells that work together to perform a specific function within an organism.

Cambium Layer

A cellular plant tissue located between the xylem and the phloem in the stems and roots of vascular plants, responsible for secondary growth and the production of new cells.