Which of the Following Is a True Statement

question 67

Multiple Choice

Which of the following is a true statement?

• A) Tasting halite is an acceptable method for identifying the mineral since a human cannot physically see its atoms
• B) Color is the most effective method for identifying if a mineral is halite
• C) Cleavage in a mineral means that a mineral break along flat surfaces
• D) Fracture means that a mineral breaks apart at planes or weak bonds
• E) Specific gravity compares the weight of a substance to an equal volume of water

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Definitions:

Main Effect

The direct influence of an independent variable on a dependent variable in an experiment, disregarding the effects of or interactions with other variables.

Day of Week

Indicates one of the seven named divisions in a week, ranging from Sunday to Saturday.

Interaction Effect

In statistics, it refers to a situation in which the effect of one independent variable on a dependent variable changes depending on the level of another independent variable.

Marginal Mean

The mean of the subset of observations that contribute to the marginal total, providing insight into specific group effects within a larger dataset.