diff --git a/utils/commands.tex b/utils/commands.tex
index 13a1ac5..d33e1ba 100644
--- a/utils/commands.tex
+++ b/utils/commands.tex
@@ -138,6 +138,8 @@
 
 \newcommand{\wilcoxon}[1]{\measure{W}{#1}{}}
 
+\newcommand{\ztest}[1]{$\mathrm{Z} = #1$}
+
 % From https://tex.stackexchange.com/a/95842
 \newenvironment{conditions}{%
   \par% maybe you want the list to start with a new line