Registration
• 78 contestants
• 17 from 2nd year of high school; 35 from 1st year of high school; 16 from 4th year of ESO; 8 from 3rd year of ESO; and 2 from 2nd year of ESO
Results in closed-answer problems
(data: correct on first attempt; correct on second attempt; errors on second attempt; only first attempt wrong)
Problem 0: 52, 5, 7, 14.
Problem 1: 41, 4, 4, 2.
Problem 2: 37, 2, 4, 2.
Problem 3: 31, 5, 3, 2.
Problem 4: 30, 3, 4, 4.
Problem 5: 24, 2, 8, 4.
Problem 6: 23, 2, 4, 1. (both sections correct on first attempt; fully correct but one section on second attempt; only one section correct; wrong)
Problem 8: 21, 0, 0, 1.
Problem 9: 20, 2, 0, 0.
• Scores in closed-answer problems:
12 contestants with the maximum of 27 points; 2 contestants with 26 points; 1 with 25.5 points; 1 contestant with 23.5 points; another 2 contestants with 23 points; 5 contestants with 18, 19, or 20 points; …
Problems to explain
Problem 7. Responses received: 21.
• Average score, which should be considered very good, 5.31 points.
• 4 contestants scored in the interval [6.5, 7]; 6 contestants in the interval [6, 6.5); another 3 contestants in the interval [5.5, 6)….
Problem 10. Responses received: 15.
• Average score, which should be considered extraordinary, 6.08 points.
• 8 contestants achieve the maximum score of 7 points; 3 scores in the interval [6, 7); 2 contestants in the interval [5, 6);….
Problem 11. Responses received: 15.
• Average score, which should be considered very good, 5.18 points.
• 2 contestants scored in the interval [6.5, 7]; 3 contestants in the interval [6, 6.5); 4 contestants in the interval [5.5, 6)….