Sensitivity and Specificity

The row headings of "Condition Present" and "Condition Absent" are generic, but the row headings can represent other specific factors, such as "Subject Has Pneumonia" and "Subject Does Not Have Pneumonia."

The entries must be frequency counts consisting of positive whole numbers.

Enter the first value, then press the Tab key and proceed to enter a value in the second cell. Press Tab and enter the third value, then press Tab and enter the fourth value.
(Do not try to enter the row and column totals. They will be computed by STATDISK.)

Click Evaluate when finished.

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