Kevin Wong

Trivia

Last updated: July 30, 2025

Link to Google Sheets - Trivia Questions

Team Answer Correct: 59.94%
Random Forest: 68.93%

At trivia night, my family answers about 59.94% of questions accurately.
However, using a Random Forest model, I can predict whether we got it correct or not with an accuracy of 68.93%.

Example: Training Data
Date Category Question Type Freebie Team Members Team Answer Correct
2025-04-02 Monuments Free Response 0 4 Incorrect
2025-04-09 Animals Free Response 0 4 Incorrect
2025-04-16 Boxing Range 0 3 Incorrect
2025-04-16 Places Free Response 0 3 Correct
2025-04-23 Harry Potter Free Response 0 3 Incorrect
2025-04-30 Arts & Crafts Free Response 0 4 Correct
2025-05-14 Vocabulary Free Response 0 5 Incorrect
2025-05-21 Medicine Free Response 0 2 Incorrect
2025-06-04 Tennis Range 0 4 Correct
2025-06-04 World Geography Free Response 0 4 Correct
2025-06-18 Super Heroes Free Response 0 4 Correct
2025-06-25 Music Free Response 0 2 Correct
2025-07-02 Historic People Free Response 0 3 Incorrect
2025-07-02 Sports Free Response 0 3 Incorrect
2025-07-09 World Geography Free Response 0 3 Correct
2025-07-23 World Geography Free Response 0 4 Incorrect
2025-07-30 Hockey True/False 0 3 Correct
2025-07-30 Movies Free Response 0 3 Correct
2025-07-30 Music Free Response 0 3 Incorrect
2025-07-30 TV Free Response 0 3 Incorrect
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 Baseball Free Response 0 4 Correct Incorrect 42.07% Inaccurate
2025-04-09 Weather Free Response 0 4 Correct Correct 90.63% Accurate
2025-04-16 Music Free Response 0 3 Incorrect Incorrect 28.98% Accurate
2025-04-26 Advertising Free Response 0 6 Incorrect Correct 50.50% Inaccurate
2025-05-14 People Free Response 0 5 Incorrect Correct 53.47% Inaccurate
2025-06-04 Pickle Ball Multiple Choice 0 4 Correct Incorrect 43.22% Inaccurate
2025-06-11 Football Free Response 0 4 Correct Correct 58.57% Accurate
2025-06-25 World History Free Response 0 2 Incorrect Correct 50.32% Inaccurate
2025-07-23 Alcohol Free Response 1 4 Correct Correct 99.93% Accurate
2025-07-30 Business Free Response 0 3 Correct Correct 77.07% Accurate

Link to Shiny App

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