Probability and statistics symbols

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Across
  1. 4. COV(X,4)
  2. 9. population samples variance estimator
  3. 10. 25% of population are below this value
  4. 12. E(X/Y)
  5. 13. Var(X)
  6. 14. middle value of random variable x
  7. 15. half the population is below this value
Down
  1. 1. E(X)
  2. 2. P(A)
  3. 3. average/arithmetic mean
  4. 5. MR
  5. 6. X~
  6. 7. mean of population values
  7. 8. Corr(X,Y)
  8. 11. Mo