Across
- 3. Null or alternative
- 4. The vertical axis of a bar chart is labelled with this
- 5. For this chart frequency = area
- 6. The chance of an event happening
- 7. One event is not affected by another
- 12. sum of
- 14. A diagram used to solve probability problems (it has branches!)
- 15. the symbol ! means...
- 17. A distribution with 2 modes
- 18. The sum of the numbers/the number of values
- 19. The middle value in a set of ordered numbers
Down
- 1. A subset of a population
- 2. This could be negative or positive
- 8. A sample is taken from this
- 9. A variable that can only be certain values
- 10. Information that is collected
- 11. Upper or lower 25% of data
- 13. An expression the highest power of x is 2
- 16. The number which appears most often in a set of numbers.