Sorry Jalapeno but what you say is incorrect WPSYNTH clearly states   Do not combine material from multiple sources to reach or imply a conclusion not explicitly stated by any of the sources Editors should not make the mistake of thinking that if A is published by a reliable source and B is published by a reliable source then A and B can be joined together in an article to reach conclusion C This would be a synthesis of published material that advances a new position and that constitutes original research A and B therefore C is acceptable only if a reliable source has published the same argument in relation to the topic of the article   Surely this applies to tables of data that are combined from multiple sources to advance an argument as this one was