Graph description: Figure 3. Probabilities for one-tailed and two-tailed sign tests for the nurse data

A graph like Figure 1 with the horizontal axis labeled "Number of negatives" rather than "Number of heads".

There is a label "One sided extreme values" at Number of negatives = 0 and 1. There is a label "Two sided extreme values" at Number of negatives = 0 and 1. There is a label "Two sided extreme values" at Number of negatives = 9 and 10.

Back to Clinical Biostatistics: Significance tests.

This page maintained by Martin Bland.
Last updated: 21 July, 2006.