By checking the plugin, the javascript comes in two parts, one is inline javascript, and second is the external file with analytics actual code.
1. To get the inline part, go to your website in Chrome, right click anywhere and choose “view source code”. Find “slimstat” and copy whole part which looks like this:
<script type='text/javascript'>
/* <![CDATA[ */
var SlimStatParams = {"ajaxurl":"https:\/\/niteothemes.com\/dev\/wp-admin\/admin-ajax.php","baseurl":"\/dev","extensions_to_track":"pdf,doc,xls,zip","outbound_classes_rel_href_to_not_track":"noslimstat,ab-item","ci":"YToxOntzOjEyOiJjb250ZW50X3R5cGUiO3M6NDoiaG9tZSI7fQ==.0d4af308ce883c35c2c653a751697063"};
/* ]]> */
</script>
2. Insert this Javascript directly into CMP Content editor under text mode – https://imgur.com/a/DN4AyhJ
3. Go to CMP Advanced Setup > Misc and insert https://cdn.jsdelivr.net/wp/wp-slimstat/tags/4.8.5.1/wp-slimstat.min.js
this javascript into Head scripts. https://imgur.com/a/PkZUBMo
That should do a trick, hopefully that will work.
Ales