Drawing graphs

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Across
  1. 3. LOB_
  2. 6. data you collect from another source
  3. 8. these must be marked and labeled correctly
  4. 9. how c_______________ you are about the secondary data
  5. 10. how close together the results are
  6. 15. sometimes a LOBF can be c_______
Down
  1. 1. your results will follow a trend or p__________.
  2. 2. data you collect yourself
  3. 4. numbers recorded from an experiment
  4. 5. this improves when you repeat your measurements
  5. 7. X and Y
  6. 9. as in maths can be + or -
  7. 11. this shows the spread of data in a set
  8. 12. how close to the line of best fit the averages are
  9. 13. what the independent variable increases by e.g. 5 or 8 etc
  10. 14. what you record your results into