Suggested answer to exercise: Serum potassium and ambient temperature, 6

Question 6. What assumption is required for the tests of significance for r to be valid?

Suggested answer

At least one of the variables should follow a Normal distribution.

This looks quite plausible from the scatter diagram.

Back to Exercise: Serum potassium and ambient temperature.

To Clinical Biostatistics index.

To Martin Bland's M.Sc. index.

To Martin Bland's home page.

This page maintained by Martin Bland.
Last updated: 31 July, 2006.

Back to top.