Average score for questions and answers, by tag


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For all canonical tags, what is the average question score and the average answer score?


Q&A for participants in team and individual sport activities

SELECT Tags.Id AS [Tag Link]
     , AVG(Answers.Score) AS [Average Score]
    FROM Tags
        INNER JOIN PostTags
            ON PostTags.TagId=Tags.Id
        INNER JOIN Posts AS Questions
            ON Questions.Id=PostTags.PostId
        INNER JOIN Posts AS Answers
            ON Answers.ParentId=Questions.Id
    GROUP BY Tags.Id, Tags.TagName
    ORDER BY 2 DESC, 1

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