Elevation statistics of traced polygons

I wanted to find the mean, min, max, stddev elevation of a bunch of traced terraces, but this can be done with any input files of a zone dataset (i.e. shapefile of polygons) and a value raster (i.e. raster of elevation values). 1. Make the zone dataset, in my case, make a shapefile of polygons [make polygon layer] 2. Add field(s) to the Attribute Table to define the zones. I have a separate ID