5.Invent Yourself: IYNT grades LaplaceWitches Nanjing Foreign Language School 2017.6.29-2017.7.4

2017 IYNT Invent Yourself: IYNT grades 01. INITIAL THOUGHTS 01-1. ABOUT THE PROBLEM 01-2. HIDDEN REGULATION LaplaceWitches 02. EXPERIMENT 02-1. BASIC THOUGHTS 02-2. PEVIEW GRADING RULES 02-3. THE INTERESTING HYPOTHESIS 02-4. DATA TESTING 03. CONCLUSIONS 04. FURTHUR DISCUSSION

01 INITIAL THOUGHTS 01-1. ABOUT THE PROBLEM 01-2. HIDDEN REGULATION

INITIAL THOUGHTS IYNT GRADES ABOUT THE PROBLEM IYNT GRADES An upwards of four thousand grades that Jurous have given in Science Fights of previous four IYNTs can reveal propreties and hidden regularities of the IYNT grading. Suggest an interesting hypothesis that concerns the IYNT grades and test it with real data from previous IYNTs.

INITIAL THOUGHTS KEY WORDS Four thousand grades In Science Fights Properties and hidden regulations An interesting hypothesis that concerns the IYNT grades Test it with real date from previous IYNT

INITIAL THOUGHTS Results of 2013

INITIAL THOUGHTS Results2014.html Results2015.html Results2016.html Results of 2014~2016 Results2014.html Results2015.html Results2016.html

Useful information from the Results INITIAL THOUGHTS Useful information from the Results 2 or 3 teams in each room n=the number of teams n=0 (mod 3) → 3 teams in each room n=1 (mod 3) → 2 rooms have 2 teams, other rooms have 3 teams n=2 (mod 3) → 1 room has 2 teams, other rooms have 3 teams semi final? in 2015 & 2016 → yes in 2013 → no reason? team number V (victory) 0 or 0.5 or 1 basic thought (the first one -1, the second one -0.5, the third one -0) 47.66-45.88=1.78<2 44.00-43.30=0.70<1 THE SCORES ARE NEAR EACH OTHER, THE VICTORIES ARE THE SAME ↑

Useful information from the Results INITIAL THOUGHTS Useful information from the Results Average score basic thought-1: (19+18+20+19+18+18+18+26+21+17)/10=19.4 ≠ 19.2 basic thought-2: (19+18+20+19+18+18+18+21)/8=18.875 ≠ 19.2 why? replace the max and min with (max+min)/2 (26+17)/2=21.5 calculate the average of (n-1) numbers (19+18+20+19+18+18+18+21+21.5)/9=19.2 Rank first sorted by SV then sorted by TSP

02 THE EXPERIMENT 01-1. BASIC THOUGHTS 02-2. PEVIEW GRADING RULES 02-3. THE INTERESTING HYPOTHESIS 02-4. DATA TESTING

INITIAL THOUGHTS Output Type in all the basic the result information Basic thoughts Type in all the basic information Type in the scores and add them to different variable quantities Output the result Get the average scores, TSP and SV Get the rank IYNT Grades

THE EXPERIMENT PEVIEW GRADING RULES

THE EXPERIMENT PEVIEW GRADING RULES

THE EXPERIMENT PEVIEW GRADING RULES

THE EXPERIMENT PEVIEW GRADING RULES

THE EXPERIMENT PEVIEW GRADING RULES

THE EXPERIMENT PEVIEW GRADING RULES

THE EXPERIMENT PEVIEW GRADING RULES

THE INTERESTING HYPOTHESIS THE EXPERIMENT THE INTERESTING HYPOTHESIS

THE INTERESTING HYPOTHESIS THE EXPERIMENT THE INTERESTING HYPOTHESIS

THE INTERESTING HYPOTHESIS THE EXPERIMENT THE INTERESTING HYPOTHESIS

THE INTERESTING HYPOTHESIS THE EXPERIMENT THE INTERESTING HYPOTHESIS

THE EXPERIMENT DATA TESTING

THE EXPERIMENT DATA TESTING

THE EXPERIMENT DATA TESTING

03 CONCLUSIONS

CONCLUSIONS With the application framework, IYNT Grades can be calculated much faster than just calculate it by ourselves

04 FURTHER DISCUSSION

FURTHER DISCUSSION Since it might be impossble for us to type in all the scores correctly, the changing system which support alterations may be useful A better output format is needed

REFERENCES http://lesnevsky.ilyam.org/indexIYNT.html

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Properties and hidden regularities INITIAL THOUGHTS Properties and hidden regularities THE MOST IMPORTANT: The score as an opponent (since the score is ranged from 1 to 30, half of the total score in each Science Fight) THE MOST EASY TO GET: The score for self introduction in the opening ceremony (As you can see, most of the teams got full score and other teams get 9 or 8) IYNT Grades

Properties and hidden regularities INITIAL THOUGHTS Properties and hidden regularities THE SCORE: Made up of scores as a reporter, the scores as an opponent and the scores as a reviewer In each Science Fight. THE RANK: Sorted by the sum of sum of victories. If the sum of victories is the same, the rank should sorted by the total of each average score, the total of average score as a reporter, and then the total of average score as an opponent. IYNT Grades