What is the proportion of True Positives among all those who test positive? Sele

Question

What is the proportion of True Positives among all those who test positive? Select one: a. Sensitivity b. Positive Predictive Value c. Specificity d. Negative Predictive Value What is the proportion of True Negatives among all those who test negative? Select one: a. Specificity b. Sensitivity c. Negative Predictive Value d. Positive Predictive Value What is the proportion of True Negatives among all those who do not have the disease? Select one: a. Sensitivity b. Specificity c. Positive Predictive Value d. Negative Predictive Value

Explanation / Answer

Positive predictive value which is calculated as the proportion of True Positives among all those who test positive.

Negative predictive value which is calculated as the proportion of True Negatives among all those who test negative.

Specificity which is calculated as (True negative/True negative+False negative)

the proportion of True Negatives among all those who do not have the disease.

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