Amazon calculates a product’s star ratings based on a machine learned model instead of a raw data average. The model takes into account factors including the age of a rating, whether the ratings are from verified purchasers, and factors that establish reviewer trustworthiness.
Reviewed in the United Kingdom on 24 December 2018
Nice picture but bought it in July and it's still not on wall months later - just not had time (or inclination) to go and get some way of hanging it - surely you could include it or at least make it clear we need to buy separately!!