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Jul 01, 2017jimg2000 rated this title 2 out of 5 stars
Average rating of 2.3 stars yet library rating shows 4 stars!!! Many must have rated 5 stars without comments which is highly illogical. Are they from independent or paid Patterson's fans? Hope the librarians will look into this discrepancy. Without a good explanation, the biblio rating marginalized legit members' reviews. === Here is the math for that to happen. Number of commenters who posted ratings = 5; assume X is number of raters who did not comment; and the average rating of 4: Therefore total number of patrons who commented and those who only rated = (5+X) and the sum of stars by both commenters and X (raters without comment) = (5+X)4 ---- Sum of stars by commenters = 11.5; assume those X raters gave the maximum 5 stars: Therefore sum of stars by commenters and X (raters without comment) = 11.5 + 5X --- To solve for X 11.5 + 5X = (5+X)4 X = 8.5 Math says 8.5 people who did not care to leave a comment rated this book the maximum of 5 stars while those who cared to leave a comment and rated gave it a poor 2.3 stars ?????