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Item Statistics and Results

Table: ceStatsExamQuestionGroup

Aggregate of Item Stats, grouped by Item Group.

FieldDescription
StatsIDUnique Identifier for this set of Statistics
GroupIDID of Item Group Items are linked to
QtyQuestionsCount of all Items on Exam in this Group
QtyCorrectTotal of all QtyCorrect for all Items in this Group
QtySkippedTotal of all QtySkipped for all Items in this Group
QtyIncorrectTotal of all QtyIncorrect for all Items in this Group
RawPercentx = Count of Correct Items in Group
n = Count of Candidates on Exam
k = Count of Items in Group

ValueCorrectTotal of all ValueCorrect for all Items in this Group
ValueSkippedTotal of all ValueSkipped for all Items in this Group
ValueIncorrectTotal of all ValueIncorrect for all Items in this Group
ValueTotal(ValueCorrect + ValueSkipped + ValueIncorrect)
ValuePercent
Difficultyx = Count of Correct Items in Group
n = Count of Candidates on Exam
k = Count of Items in Group

ValueMaxMaximum achievable points for Group from sum off all Value Max of Items in Group
ValueHighHighest ValueTotal achieved by a Candidate for this Group
ValueLowLowest ValueTotal achieved by a Candidate for this Group
ValueMeanMean (average) ValueTotal achieved by a Candidate for this Group
ValueStdevStandard Deviation of ValueTotal for all Candidates for this Group
ValueVarianceVariance of ValueTotal for all Candidates for this Group
ValueMedianMedian (middle) ValueTotal for all Candidates for this Group
ValueModeMode (most frequent) ValueTotal for all Candidates for this Group