maths words

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Across
  1. 5. number of times that a particular value occurs in a data set.
  2. 6. statistical graph for displaying the frequency distribution of continuous data
  3. 7. Multiplication of numbers
  4. 9. combining two numbers or algebraic expressions
  5. 10. graphical display of a five-number summary
Down
  1. 1. quadrilateral with two pairs of adjacent sides equal
  2. 2. quadrilateral whose opposite sides are parallel.
  3. 3. numeral in the decimal number system
  4. 4. combining two numbers or algebraic expressions
  5. 8. number real number that is not rational.