QuizStatsDto: {
averageScore: number | null;
gradedCount: number;
notSubmittedCount: number | null;
passRate: number | null;
pendingManualCount: number;
questions: {
answeredCount: number;
body: string;
correctRate: number | null;
options: {
body: string;
optionId: string;
selectedCount: number;
}[];
questionId: string;
type:
| "SINGLE"
| "MULTIPLE"
| "SHORT_ANSWER"
| "ESSAY";
}[];
submittedCount: number;
}