Minutes spent on homework last night

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Across
  1. 4. The number of times a data value occurs.
  2. 6. Data gathering around one data value.
  3. 7. The measure of asymmerty of a distrubution.
  4. 8. The difference between the upper quartile and the lower quartile in a set of data.
  5. 9. The average of a set of 2 or more numbers.
  6. 11. facts and statistics collected together for reference or analysis
Down
  1. 1. The number that appears most in a set of data.
  2. 2. The difference between the maximum and the minimum value.
  3. 3. A far value that pulls the graph.
  4. 5. When 2 halves are exactly the same.
  5. 9. The middle value in a set of data.
  6. 10. Missing areas in a data set.