DrYodela Wants to Find Out Whether There Is a Significant

question 8

Multiple Choice

Dr.Yodela wants to find out whether there is a significant difference in the mean scores of two groups on his new intelligence test.Which statistic should Dr.Yodela use?

• A) The median
• B) A correlation
• C) An analysis of variance
• D) A t test

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Definitions:

Inspiration

Act of taking air into the lungs; inhalation.

Gases Exchange

The process of oxygen and carbon dioxide moving between the bloodstream and the lungs in animals, and the atmosphere and cells in plants.

Diffusion

The process by which molecules spread from areas of high concentration to areas of low concentration, often leading to equilibrium.

Osmosis

The process by which molecules of a solvent pass through a semipermeable membrane from a less concentrated solution into a more concentrated one.