MATHS

4. data: data that has been collected second-hand (by someone else)
5. The branch of mathematics that deals with the collection, organisation, display, analysis and interpretation of date which are usually presented in numerical form
6. Following no particular order or pattern. To ensure that they are free from bias, surveys should be as random as possible.
8. The scientific procedure undertaken to make a discovery, test a hypothesis, or demonstrate a known fact.
9. mean in summary statistics, the sum of all the scores divided by the number of scores. It is also called the average.
12. Leaning in a favoured directed
13. A set of question used in a survey
15. A survey is a method of gathering information using relevant questions from a sample of people with the aim of understanding populations as a whole.
16. Information that has been collected for the purpose of analysis
17. a type of column graph in which no gaps are left between columns and each column ‘straddles’ an x-axis score, such that the column starts and finishes halfway between scores. The

1. Every member or data point under consideration.
2. in summary statistics, the middle value if the number of data is odd, or the average of the two middle values if the number of data is even. Data must first be arranged in numerical order.
3. How we count things
6. in summary statistics, the difference between the highest and lowest values (scores)
7. Data: data that has been collected first-hand (by you)
10. The collection of data in which every member of a target population is surveyed
11. a piece of data that is much larger or smaller than the rest of the data
14. scale is continuous and usually a half-interval is left before the first column and after the last column.