Presentation about Statistics made by students in 3º de ESO. Ies Padre Feijoo (Gijón) Course 2009-2010

1. Statistics Deborah Cué Fernández Iván Iglesias Alonso Andrea Llano Busta Violeta Rubio Ortiz Marina Suárez García

2. Sport practice 100 % 1 60 17 % 10:60 = 0.17 10 No 83 % 50:60 = 0.83 50 Yes Percentage Relative frequency (h i ) Absolute frequency (f i ) Answers Yes Mode

3. Frequency of practice 16 % 8:50 = 0.16 8 Three or four times a week 42 % 21:50 = 0.42 21 Twice a week 100 % 1 50 18 % 9:50 = 0.18 9 More than five times a week 24 % 12:50 = 0.24 12 Once a week Percentage Relative frequency (h i ) Absolute frequency (f i ) Answers Twice a week Mode

4. Age 50 40 30 20 10 Mark (x i ) 28 % 14:50 = 0.28 14 35 ≤ x < 45 14 % 7:50 = 0.14 7 25 ≤ x < 35 18 % 9:50 = 0.18 9 15 ≤ x < 25 100 % 1 50 26 % 13:50 = 0.26 13 45 ≤ x < 55 14 % 7:50 = 0.14 7 5 ≤ x < 15 Percentage Relative frequency (h i ) Absolute frequency (f i ) Age 13.94 Standard deviation 194.44 Variance 40 Median 40 Mode 33.4 Mean

5. Sport 8 % 4:50 = 0.08 4 Yoga 8 % 4:50 = 0.08 4 Tennis 14 % 7:50 = 0.14 7 Swimming 8 % 4:50 = 0.08 4 Skating 8 % 4:50 = 0.08 4 Karate 10 % 5:50 = 0.1 5 Football 16 % 8:50 = 0.16 8 Basketball 10 % 5:50 = 0.1 5 Athletics 100 % 1 50 10 % 5:50 = 0.1 5 Cycling 8 % 4:50 = 0.08 4 Aerobics Percentage Relative frequency (h i ) Absolute frequency (f i ) Sport Basketball Mode