maths terms

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Across
  1. 4. data-information we collect that has nothing to do with numbers.
  2. 5. data-information we collect that has something to with numbers
  3. 7. set of questions to get information
  4. 8. most frequent number
Down
  1. 1. the difference between the highest and the lowest number in your list of numbers
  2. 2. the middle number in a list of numbers
  3. 3. that changes
  4. 6. all the numbers in a list are added together .The total is divided by the numbers you had in your list