Susan is studying the association between randomization to fluoride varnish and

Question

Susan is studying the association between randomization to fluoride varnish and incidence (first experience) of caries among a population of immigrant children.

She finds a significant protective association between randomization to the varnish group and incidence of caries based on a p-value=0.03.

Which of the following best defines the p-value?

There is a 3% protection from caries due to fluoride varnish

There is a 3% chance the alternative hypothesis is true

There is a 3% chance the association was due to chance alone.

There is a 3% chance the association was due to chance alone, given the null is true.

There is a 3% protection from caries due to fluoride varnish

There is a 3% chance the alternative hypothesis is true

There is a 3% chance the association was due to chance alone.

There is a 3% chance the association was due to chance alone, given the null is true.

Explanation / Answer

as we know that p value is getting test statistic as it is or more extreme given null is true

hence correct option is: There is a 3% chance the association was due to chance alone, given the null is true.

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