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