Because the Duration of a Force Is More Important Than

question 13

Multiple Choice

Because the duration of a force is more important than the magnitude (strength) of the force applied, habits such as thumbsucking will not produce tooth movement unless practiced for at least how many hours per day?

• A) 2
• B) 6
• C) 10
• D) 12

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Definitions:

Degrees Of Freedom

The number of independent pieces of information on which a statistical estimate is based, minus the number of parameters estimated.

Groups

Collections of individuals or items classified together based on common characteristics or for the purpose of analysis.

Total N

The total number of observations or participants in a study or dataset.

Expected Frequencies

The counts or proportions one would expect in categories of a contingency table if there were no association between the variables.