Eating Habits Comenius Math and Science Studio Eating

Eating Habits Comenius Math and Science Studio

Eating Habits

Eating Habits

Eating Habits

Eating Habits Modus The most frequent value. Question 1. : Number of meals daily frequency 70 60 50 40 30 20 10 0 1 meal 2 meals 3 meals 4 meals 5 meals more than 5

Eating Habits Median The median can be found by arranging all the observation from lowest value to highest value and picking the middle one. Question 2. : Time range (first mail) Time Frequency 5: 30 6: 00 6: 15 6: 20 6: 30 6: 45 6: 58 7: 00 7: 15 5 10 3 2 20 1 53 1 6 92 7: 30 7: 45 7: 55 8: 00 8: 30 9: 00 9: 30 9: 45 10: 00 11: 00 13: 00 11 1 1 10 2 22 2 3 3 16 3 3 92

Median pupils Eating Habits

Arithmetic mean Eating Habits The arithmetic mean of a list of numbers is the sum of all of the list divided by the number of items in the list. Question 2. : Time range (first – last meal)

Standard deviation Is a simple measure of the variability or dispersion of a data set. Question 4. : Amount of vegetables or fruits weekly Eating Habits

Eating Habits

Eating Habits Relative frequency The relative frequency can be formulate in per cent. Question 3. : Breakfast? Frequency Relative frequency aged 13 - 15 aged 16 - 20 aged 13 – 15 aged 16 - 20 Yes 24 71 39, 34% 57, 72% Irregularly 25 34 40, 98% 27, 64% No 12 18 19, 67% 14, 63% 61 123 100, 00%

Eating Habits Question 3. : Breakfast?

Eating Habits Polygon of frequency Question 5: Number of days in one week when I have sweets? Number of Days weekly 1 2 3 4 5 6 7 Frequency 4 13 17 30 23 14 83 35 Frequency 30 25 20 15 10 5 0 1 2 3 4 Number of Days weekly 5 6

Eating Habits Histogram Question 6: Number of days in one week when I have meat Number of Days weekly 1 2 3 4 5 6 7 Frequency 7 7 17 35 45 38 35 50 Frequency 45 40 35 30 25 20 15 10 5 0 1 2 3 4 5 Number of Days weekly 6 7

Eating Habits Circle diagram Question 7: Type of meat which I eat most often Type of meat Relative frequency Beef 3, 26% Pork 13, 59% Lamb 0, 54% Chicken 79, 35% Other 2, 72% None 0, 54%

Question 10: Kind of drink I have most often Eating Habits