CROSSWORD PUZZLE

3. Points that lie on the same straight line
8. The middle value of a data set when arranged in order
9. A graph that uses bars to show frequency distribution with no gaps between adjacent bars.
11. The plane containing the coordinate axes
12. The mathematician credited with the invention of the coordinate system
14. A graphical representation using bars, with gaps between them, used for categorical data.
17. The y-coordinate of a point.
18. The name for the horizontal number line.
19. The number that occurs most frequently in a data set.
20. The sum of all values divided by the total number of values.
21. The number of times a particular observation occurs in a given data set

1. The point where the x-axis and y-axis intersect,
2. The entire group that the study is trying to learn about.
4. The x-coordinate of a point.
5. The difference between the highest and lowest value in a data set.
6. The name for each of the four parts of the plane formed by the axes
7. A characteristic or attribute that can be measured or observed
10. Information in the form of numerical figures, or a collection of facts.
13. Data gathered from a source that already has the information (e.g., a published report).
15. Data collected by the investigator for a definite purpose; often first-hand data.
16. The vertical line in the Cartesian plane
17. The specific order of numbers (x, y) that identifies a point's position