EARTH (Easy)

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Across
  1. 4. hypothesis denoted by H0
  2. 6. hypothesis denoted by H1
  3. 9. measures dispersion in squared units
  4. 11. type ____, false-negative error
  5. 12. a mass movement of Earth material down a slope
Down
  1. 1. dives the data into four equal segments
  2. 2. extreme data point
  3. 3. non-robust measure of central tendency
  4. 5. type ____, false-positive error
  5. 7. simplest measure of dispersion
  6. 8. robust measure of central tendency
  7. 10. analysis tool for variance
  8. 13. non-robust measure of dispersion, abbr