Count cells in a table when a column meets 1 condition

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{=SUM((CellRange>5) * (CellRange<15) * CellRange)}
Returns #N/A if any of the cells are not numeric
{=SUM((IF(ISERROR(CellRange),0,CellRange)>5)*(IF(ISERROR(CellRange),0,CellRange)<15)*IF(ISERROR(CellRange),0,CellRange))} = 156