Across
- 3. The middle number.
- 5. If data is widely spread it can be split into______.
- 6. A survey beforehand to identify errors.
- 8. Data from the investigator.
- 9. Chosen without a conscious decision - equal chance.
- 11. Pairs of related variables.
- 13. Used to classify regions of a geographical area.
- 14. A question with no suggested answers.
- 17. table can be used to see raw data.
- 19. Data which can take any value.
- 20. A stem and leaf diagram requires a _____.
- 21. Joins the mid-points of the top of the bars with straight lines.
- 23. Data from another source.
Down
- 1. Data from part of the population.
- 2. All people involved in an investigation.
- 4. Uses symbols or pictures to represent a certain number of items.
- 5. A running total of frequencies.
- 7. Data that can only take specific values.
- 10. Bar chart with no gaps.
- 12. Displays frequencies for two categories of data.
- 15. An assumption made as a starting point for an investigation.
- 16. With information from the entire population.
- 18. occurs most often.
- 22. largest value - smallest value