Kevin Wong

Trivia

Last updated: December 10, 2025

Link to Google Sheets - Trivia Questions

Team Answer Correct: 61.42%
Random Forest: 63.59%

At trivia night, my family answers about 61.42% of questions accurately.
However, using a Random Forest model, I can predict whether we got it correct or not with an accuracy of 63.59%.

Example: Training Data
Date Category Question Type Freebie Team Members Team Answer Correct
2025-04-16 People Free Response 0 3 Incorrect
2025-04-23 Names Free Response 0 3 Correct
2025-04-26 Ex Couples Free Response 0 6 Correct
2025-05-21 Soccer Free Response 0 2 Correct
2025-05-28 Music Free Response 0 3 Correct
2025-06-11 Fragrances Free Response 0 4 Correct
2025-06-11 Geography Multiple Choice 0 4 Correct
2025-06-11 US Geography Free Response 0 4 Correct
2025-06-25 Animals Free Response 0 2 Incorrect
2025-06-25 Boxing Free Response 0 2 Incorrect
2025-07-09 Football Free Response 0 3 Incorrect
2025-07-09 Movie Lines Free Response 0 3 Correct
2025-08-20 Golf Multiple Choice 0 3 Incorrect
2025-09-03 Movies/Music Free Response 0 3 Correct
2025-09-24 Landmarks Free Response 0 3 Incorrect
2025-10-08 Videos Free Response 0 3 Correct
2025-10-29 Amusement Parks Free Response 0 4 Incorrect
2025-11-12 Music Free Response 0 4 Correct
2025-12-10 Two of these things are not like the others Multiple Choice 0 4 Incorrect
2025-12-10 Villains Free Response 0 4 Correct
Example: Testing Data
Date Category Question Type Freebie Team Members Team Answer Correct Model Prediction of Team Answer Model Prediction Probability Model Prediction Accuracy
2025-04-09 Literature Free Response 0 4 Incorrect Incorrect 45.86% Accurate
2025-04-23 Bowling Free Response 0 3 Correct Correct 95.61% Accurate
2025-04-30 Awards Free Response 1 4 Correct Correct 99.65% Accurate
2025-06-11 Music Multiple Choice 0 4 Correct Incorrect 45.88% Inaccurate
2025-07-23 Comic Strips Free Response 0 4 Correct Incorrect 14.61% Inaccurate
2025-08-27 Religion Free Response 0 3 Correct Correct 71.12% Accurate
2025-09-03 Football True/False 0 3 Correct Incorrect 41.05% Inaccurate
2025-11-05 Current Events Free Response 0 3 Correct Correct 92.06% Accurate
2025-11-12 Zodiac Free Response 0 4 Correct Correct 81.05% Accurate
2025-12-10 Football Free Response 0 4 Correct Incorrect 31.61% Inaccurate

Link to Shiny App

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