# demo table
<table>
<tr><th colspan="2" rowspan="2" style="background-color: #f2f2f2; border: 1px solid rgb(170, 170, 170); padding: 0.2em 0.4em; text-align: center;">&nbsp;Table of error types&nbsp;</th><th colspan="2" style="background-color: #f2f2f2; border: 1px solid rgb(170, 170, 170); padding: 0.2em 0.4em; text-align: center;">Null hypothesis (<i>H</i><sub style="font-size: 11.2px; line-height: 1;">0</sub>) is</th></tr>
<tr><th style="background-color: #f2f2f2; border: 1px solid rgb(170, 170, 170); padding: 0.2em 0.4em; text-align: center;">Valid/True</th><th style="background-color: #f2f2f2; border: 1px solid rgb(170, 170, 170); padding: 0.2em 0.4em; text-align: center;">Invalid/False</th></tr>
<tr><th rowspan="2" style="background-color: #f2f2f2; border: 1px solid rgb(170, 170, 170); padding: 0.2em 0.4em; text-align: center;">Judgement of Null Hypothesis (<i>H</i><sub style="font-size: 11.2px; line-height: 1;">0</sub>)</th><th style="background-color: #f2f2f2; border: 1px solid rgb(170, 170, 170); padding: 0.2em 0.4em; text-align: center;">Reject</th><td align="center" style="border: 1px solid rgb(170, 170, 170); padding: 0.2em 0.4em;">Type&nbsp;I error<br>
(False Positive)</td><td align="center" style="border: 1px solid rgb(170, 170, 170); padding: 0.2em 0.4em;">Correct inference<br>
(True Positive)</td></tr>
<tr><th style="background-color: #f2f2f2; border: 1px solid rgb(170, 170, 170); padding: 0.2em 0.4em; text-align: center;">Fail to reject</th><td align="center" style="border: 1px solid rgb(170, 170, 170); padding: 0.2em 0.4em;">Correct inference<br>
(True Negative)</td><td align="center" style="border: 1px solid rgb(170, 170, 170); padding: 0.2em 0.4em;">Type&nbsp;II error<br>
(False Negative)</td></tr>
</table>