When Examining a Plot of Population Means for a Two-Way

question 75

Multiple Choice

When examining a plot of population means for a two-way ANOVA,what should you conclude if the two lines completely overlap and have zero slope?

• A)There is a main effect of A only.
• B)There is a main effect of B only.
• C)There is an interaction effect only.
• D)There are no main effects or an interaction.

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Definitions:

Weirs

Low dams built across rivers to raise the level of water upstream or regulate its flow for purposes such as irrigation, fish trapping, and water diversion.

Fish Traps

Engineered structures placed in aquatic environments designed to trap fish or other aquatic animals.

Microliths

Small stone tools, typically made by prehistoric peoples, used as spear points or in other sharp implements.

Flint

A hard, sedimentary cryptocrystalline form of the mineral quartz, historically used to make tools and weapons due to its ability to be chipped into sharp edges.