math terminology

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Across
  1. 4. the middle value in a set of numbers
  2. 7. data that doesn't have abrupt changes in value
  3. 9. type of data in which the values follow an order
  4. 10. data that is used to label variables
  5. 11. examine the difference between values
  6. 13. set if data that is continuous
  7. 14. a data collection tool
  8. 15. graph using lines and points to display data
  9. 16. a way of keeping count by drawing marks
Down
  1. 1. total numbers divided by how many numbers there are
  2. 2. how many times a particular value occurs
  3. 3. the middle number in a structured list of numbers
  4. 5. value that appears most frequently in a set of data
  5. 6. a way of showing data using images
  6. 7. when numbers are collected in categories
  7. 8. a data type expressed in numbers
  8. 12. graphical display of data using bars or columns