import { QuestionFact, ExamStat } from ".";
export declare class QuestionStat {
    id: number;
    examQuestionFactId: number;
    studentAnswers: number;
    totalCorrect: number;
    totalIncorrect: number;
    majorityCorrect: number;
    mqmp: number;
    pq: number;
    biserial: number;
    majorityCorrectWeight: number;
    qt: number;
    courseFev: number;
    biserialWeight: number;
    coreConceptWeight: number;
    aoaWeight: number;
    percentCorrectWeight: number;
    partialQuestionFev: number;
    percentCorrect: number;
    percentIncorrect: number;
    fev: number;
    pev: number;
    private determineMajorityCorrect(questionFacts, studentFact);
    private calculateMqmp(questionFacts, exam, isCorrect);
    private calculateBiserial(questionFacts, exam);
    private calculateQt(questionFacts, exam);
    private calculateCourseFEV(questionFacts, exam);
    private calculateBiserialWeight();
    private calculateCoreConceptWeight();
    private calculateAOAWeight();
    private calculatePercentCorrectWeight();
    private calculatePartialQuestionFev();
    populate(questionFacts: QuestionFact[], exam: ExamStat): QuestionStat;
    Pev(exam: ExamStat): void;
}