One-Way Analysis of Variance Is Being Used to Test the Equality

question 95

Multiple Choice

One-way analysis of variance is being used to test the equality of four population means using a sample of size 10 from each of the four populations.The between groups sum of squares (SSB) is 2700 and the within groups sum of squares (SSW) is 14,400.The test statistic (F_stat) for the test is

• A)5.420
• B)2.083
• C)1.681
• D)2.250

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Definitions:

Inspiratory Reserve Volume

Inspiratory Reserve Volume is the additional amount of air that can be inhaled after a normal inhalation, contributing to the total lung capacity.

Tidal Volume

The volume of air inhaled or exhaled in a normal breath at rest.

Residual Volume

Residual volume is the amount of air remaining in the lungs after a forceful expiration, ensuring that the lungs do not collapse.

Bell Jar

A piece of laboratory equipment resembling a bell, typically made of glass, used to create vacuums or to contain gases.