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The Earliest Historical Mention of the Use of Fluoride Dates

question 6

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The earliest historical mention of the use of fluoride dates back to 1874 in:


Definitions:

Confidence Coefficient

The probability that a confidence interval will contain the true parameter value.

Population Proportion

The portion of members in a population that exhibit a specific characteristic, typically expressed as a fraction or percentage.

Population Variance

A measure of the dispersion of a set of data points in a population, indicating how much the members of the population differ from the mean value.

Confidence Interval

A range of values, derived from sample data, that is likely to contain the value of an unknown population parameter, expressed with a certain level of confidence.

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