Dr Kurtz Conducts an Experiment to See If the Odor

question 54

Multiple Choice

Dr. Kurtz conducts an experiment to see if the odor of peppermint causes people to walk around a track more quickly than if they smell lavender or no odor at all. The null hypothesis would be that

• A) The mean speed of the peppermint condition is the fastest of the three conditions
• B) The mean speed of the no odor condition is the fastest of the three conditions
• C) One of the conditions is faster than the others
• D) There is no difference in the mean speeds of the three conditions

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Definitions:

Bryophyta

A division of non-vascular plants that includes mosses, liverworts, and hornworts, characterized by a life cycle dominant in the gametophyte stage.

Whisk Ferns

Primitive, vascular plants belonging to the genus Psilotum, characterized by their simple, whisk-like appearance, lacking true leaves and roots.

Bryophyta

Bryophyta is a division of non-vascular plants that includes mosses, liverworts, and hornworts, characterized by a life cycle dominated by the gametophyte stage.

Club Mosses

Ancient group of non-flowering plants belonging to the division Lycophyta, characterized by their small, scale-like leaves and production of spores.