Fig 1. A nomogram to calculate the p-value for a chi-square test statistic [10].
To use the nomogram draw a straight line from the value of the chi-square test statistic through the required degrees to read off the corresponding p-value.
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.