How the visitors rating are influencing the review rating in WP Product Review
Visitors review can also affect the original review rating of the product. The formula used for visitors ratings to influence the review rating is:
$rating = $comments_rating * 10 * ( $comment_influence / 100 ) + $rating * ( ( 100 - $comment_influence ) / 100 ).
To know how to enable this, visit this link.
Original review rating may look like this:
Now if a user comments with their review ratings:
and finally post their comment:
the original review rating will be affected: