====== Item Response Distribution Statistics and Results ======
Table: **ceStatsExamQuestionDistribution**

The response distributions are counts of Candidates in certain ranking thresholds that match a given response.  The rankings for the candidates is based on their Ranking of ValueTotal on the Exam compared to all other Candidates performance.

^Field^Description^
|StatsID|Unique Identifier for this set of Statistics|
|QuestionID|ID of Item in the Bank|
|Response|Response for Multiple Choice: \\ -2(Not Reached) \\ -1 (Bubbling Error) \\ 0 (Skipped) \\ 1 (A) \\ 2 (B) \\ … \\ \\ Response for Essay = point value awarded|
|Sequence|Sequence of Item on the Exam|
|Decile1|Count of Candidates in Decile 1 (Exam) that match this response, see [[stats_concepts#decile|Decile]]|
|Decile2|Count of Candidates in Decile 2 (Exam) that match this response|
|Decile3|Count of Candidates in Decile 3 (Exam) that match this response|
|Decile4|Count of Candidates in Decile 4 (Exam) that match this response|
|Decile5|Count of Candidates in Decile 5 (Exam) that match this response|
|Decile6|Count of Candidates in Decile 6 (Exam) that match this response|
|Decile7|Count of Candidates in Decile 7 (Exam) that match this response|
|Decile8|Count of Candidates in Decile 8 (Exam) that match this response|
|Decile9|Count of Candidates in Decile 9 (Exam) that match this response|
|Decile10|Count of Candidates in Decile 10 (Exam) that match this response|
|Distribution1|Count of Candidates in top 20% (Exam) that match this response|
|Distribution2|Count of Candidates in 20% to 40% (Exam) that match this response|
|Distribution3|Count of Candidates in 40% to 60% (Exam) that match this response|
|Distribution4|Count of Candidates in 60% to 80% (Exam) that match this response|
|Distribution5|Count of Candidates in bottom 20% (Exam) that match this response|
|Correct|True if the response is considered a correct option for Multiple Choice Items or is a passing value for Essay Items|
|DistBottom50|Count of Candidates in bottom 50% (Exam) that match this response|
|DistTop50|Count of Candidates in top 50% (Exam) that match this response|
|Biserial|See [[stats_concepts#biserial_calculations|Biserials]]|
|Quartile1|Count of Candidates in top 27% (Exam) that match this response|
|Quartile2|Count of Candidates in 27% to 50% (Exam) that match this response|
|Quartile3|Count of Candidates in 50% to 77% (Exam) that match this response|
|Quartile4|Count of Candidates in bottom 27% (Exam) that match this response|