Prob & Stats Chapter 6 Part2

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Across
  1. 2. Each of the conditions to check before you use correlation is easy to check with a _______.
  2. 5. The sign of the correlation _______ gives the direction of the association.
  3. 11. One of the conditions to check before you use correlation.
  4. 12. The statistical relationship between two quantitative variables.
  5. 13. We tend to see causes and _____ in everything.
  6. 15. Scatterplots and correlation coefficients never prove _____.
  7. 17. The numerical measure of the direction and strength of a linear association.
  8. 18. One of the conditions to check before you use correlation.
Down
  1. 1. A hidden variable that stands behind a relationship and determines the relationship by simultaneously affecting the other two variables.
  2. 3. In a correlation, _______ means up from left to right.
  3. 4. One of the conditions to check before you use correlation.
  4. 6. ________ is always between +1 and –1.
  5. 7. Correlation has no _____.
  6. 8. In a correlation, _______ means down from left to right.
  7. 9. Correlation is ________.
  8. 10. Correlation measures the _______ of the linear association between the two variables.
  9. 14. Correlation is sensitive to _____.
  10. 16. You can often debunk _____ made about data by finding a lurking variable behind the scenes.