Across
- 3. The middle number in a data set when values are in order.
- 4. Two angles whose sum is 180 degrees.
- 5. The price a store pays for an item before marking it up.
- 6. Describes how spread out or different the data points are.
- 13. The total distance around the outside of a circle.
- 16. The distance across a circle through its center.
- 17. The distance from the center of a circle to any point on its edge.
- 18. The entire group you want information about.
- 19. The average of a data set.
- 20. A 3D figure with two congruent, parallel bases.
- 21. An amount taken off the original price.
Down
- 1. A polygon with exactly four sides.
- 2. In y = kx, the letter k represents the ___ of proportionality.
- 7. The range that measures the middle 50% of a data set.
- 8. A sampling flaw that makes it unrepresentative of the population.
- 9. The difference between the maximum and minimum values.
- 10. To make a conclusion about a population based on sample data.
- 11. Opposite angles formed by intersecting lines; they are always equal.
- 12. The amount of 3D space an object occupies.
- 14. The amount added to the cost of an item to create a profit.
- 15. Ratios or fractions that have the same value.
- 18. Two quantities with a constant ratio; a straight line through the origin.