Across
- 3. data collected by someone else (not you)
- 5. lists definitions of different symbols or colours used in a graph
- 8. a symbol in an equation or expression that may take many different values
- 9. the worth of a number
- 12. a grouping of values around a particular value.
- 13. a measure of the centre of a set of data.
- 14. data that involves grouping or classifying things, not numbers; for example, grouping hair colour.
- 17. consists of a horizontal axis labelled and evenly scaled, with each data value represented by a dot
- 20. number of times a result or piece of data occurs.
Down
- 1. data that can be measured with a numerical value
- 2. data that has been collected first-hand (by you)
- 4. the middle value of a set of data when the data is arranged in order from smallest to largest
- 6. graph drawn in a similar way to a column graph, with horizontal bars instead of vertical columns.
- 7. an extreme value in a data set
- 10. the order in which calculations are performed.
- 11. the most common value in a set of data
- 15. data that take on any value that is measurable; for example, the heights of people in a class
- 16. information collected from surveys
- 18. column-graph graph in which equal width columns are used to represent the frequencies (numbers) of different categories
- 19. the difference between the largest and smallest data value (measure of spread)