Unit 1 Statistics and probability 5.0 / 5 based on 1 ratingTeacher recommended ? MathematicsProbabilityGCSEEdexcel Created by: MeganCreated on: 28-10-12 15:17 Population? (1) All the people you are studying (1) 1 of 15 Sample? (2) A small group from within the population (2) 2 of 15 Representative Sampling? (3) Has the same characteristics as the whole population (3) 3 of 15 Biased? (4) Unfair or not representative (4) 4 of 15 Simple random sample? (5) every member of the population has an equal chance of being chosen (5) 5 of 15 A stratified sample? (6) a sample containing the same proportions of different sections as the actual population (6) 6 of 15 Systematic sample? (7) Selection of population (every 10th item of population) (7) 7 of 15 What is Mode? (8) Most common value (8) 8 of 15 What is Median? (9) The middle value when data is in order (9) 9 of 15 What is Mean? (10) Is the total Value added up dived by number or numbers (10) 10 of 15 Method of finding median? (11) y+1 divided by 2 (11) 11 of 15 How to work out gradient? (12) Rise over Run (12) 12 of 15 What is primary data? (13) Collecting the Data yourself (13) 13 of 15 What is secondary data? (14) Collected Data by Others (14) 14 of 15 What is qualitative data? (15) Data that isn't numbers (15) 15 of 15
Comments
Report
Report