Juliana and Fiona's crossword puzzle

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Across
  1. 3. The sum of the items in a set of data divided by the number of items in the set; also called mean
  2. 4. an element of the set of whole number and their opposites
  3. 6. A rate in which the second quantity in the comparison is one unit
  4. 10. a value much greater or much less than the others in the data set
  5. 14. a rule showing relationships among quantities
  6. 15. A number whose value does not change
  7. 16. The number of times a data value occurs
  8. 17. A letter or symbol used to represent a quantity that can change
  9. 19. Having the same value
  10. 20. a comparison between two quantities measured in different units
  11. 22. a visual display in which each piece of data is represented by a dot above a number
  12. 23. the difference between the greatest and least values in a set of data
  13. 24. The two perpendicular lines of a coordinate plane that intersect at the origin
  14. 26. The sum of he areas of the faces, or surfaces, of a three-dimensional figure
  15. 29. A plane formed by the intersection of horizontal and vertical line that is used to locate points
Down
  1. 1. The number that indicates how many times the base is used as a factor
  2. 2. a number that is multiplied by another number to get a product
  3. 5. A mathematical sentence that shows the relationship between quantities that are not equal
  4. 7. a way of presenting information or data using rows and columns
  5. 8. one of two numbers whose product is one
  6. 9. the middle number or the men of the two numbers in a ordered set data
  7. 11. The number that indicates how many times the base is used as a factor
  8. 12. the sum of the items ina set of data divided by the number of items in the set; also called average
  9. 13. A quadrilateral with two pairs of parallel sides
  10. 18. The distance of a number from zero on a number line; shown by l l
  11. 21. the number or numbers that occur most frequently in a set of data
  12. 25. a number that reflects the chance or likelihood that a particular event will occur
  13. 27. The x- and y-axes divide the coordinate plane into four regions. Each region is called a quadrant
  14. 28. A number line with marks or dots that show frequency
  15. 30. a ratio comparing a number to 100