# Unit 1 Statistics and probability

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• Created by: Megan
• Created on: 28-10-12 15:17

## 1. Biased? (4)

• Isn't the truth (4)
• Unfair or not representative (4)
1 of 15

## 2. A stratified sample? (6)

• a sample containing the same proportions of different sections as the actual population (6)
• every 20th packet selecting (6)
• has the same characteristics as all of the population (6)

## 3. Simple random sample? (5)

• every member of the population has an equal chance of being chosen (5)
• a number chosen by random sample (5)
• small number of people (5)

## 4. Systematic sample? (7)

• Every member of the population has an equal chance of being chosen (7)
• Selection of population (every 10th item of population) (7)
• a sample containing the same proportion of different sections as the acual popualtion (7)

## 5. What is Mode? (8)

• Most common value (8)
• Is the total Value added up dived by number or numbers (8)
• The middle value when data is in order (8)