STATISTIC & PROBABILITY SYMBOLS

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Across
  1. 5. ∑
  2. 7. s 2 = 4
  3. 9. cov(X,Y)
  4. 10. corr(X,Y) = 0.6
  5. 12. average / arithmetic mean
  6. 14. ∑∑
Down
  1. 1. F (k1, k2)
  2. 2. f (x) = λe-λx , x≥0
  3. 3. zx = (x-x) / sx
  4. 4. middle value of random variable x
  5. 6. value that occurs most frequently in population
  6. 7. Md
  7. 8. Q1
  8. 11. var(X) = 4
  9. 13. MR = (xmax+xmin)/2