Which Preventive Aid(s) Is (Are) Not Thoroughly Effective in Cleaning

question 8

Multiple Choice

Which preventive aid(s) is (are) not thoroughly effective in cleaning the pit and fissures of a tooth?

• A) Toothbrushing
• B) Fluoride
• C) Flossing
• D) All of the above

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Definitions:

Observed Values

The actual data or outcomes that have been collected or measured in a study.

Confidence Interval

A range of values, derived from sample statistics, that is likely to contain the value of an unknown population parameter.

Chi-square

A statistical test used to examine differences with categorical variables, assessing how likely observed frequencies are due to chance.

Variance

Variance is a statistical measure that indicates the spread or dispersion of a set of data points or distribution around the mean.