Is there a better scoring metric for products/services?

Looking at product reviews, they are normally one of two distributions. A highly skewed normal distribution (if on a scale of 1-10, most rate 10 or most rate 1), or it is bimodal (lots of 10s and lots of 1s, severely less in between). Is there a weighted scoring system other than taking the mean of the values to more accurately represent the product/service? In other words, is there a weighted scoring metric to bring the range of products average …

datascience products scoring services