Probability and Statistics Symbols

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Across
  1. 2. Standard deviation of random variable X
  2. 3. Double Summation
  3. 5. Expected value of random variable X given Y
  4. 6. Middle value of random variable x
  5. 10. Covariance of randome variables X and Y
  6. 11. 75% of population are below this value
  7. 12. Mean of population values
  8. 14. Variance of random variable X
  9. 15. Sum of all values in range of series
Down
  1. 1. Expected value of randome variable X
  2. 4. 50% of population are below this value
  3. 7. Values that occurs most frequently in population
  4. 8. Probability of event A
  5. 9. 25% of population are below this value
  6. 13. It is presented by the symbol "MR"