Probability and statistics symbols

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Across
  1. 1. double summation
  2. 5. variance of populatin values
  3. 7. 25% of population are this below value
  4. 12. middle value of random variable x
  5. 14. expected value of random variable x given y
  6. 15. variance of random variable x
Down
  1. 2. expected of random variable x
  2. 3. covariance of random variable x and y
  3. 4. values that occurs most frequently in population
  4. 6. probability of event A
  5. 8. gaussian distribution
  6. 9. standard deviation of random variable x
  7. 10. correlation of random variable x and y
  8. 11. sum of values of range of series
  9. 13. half of the population is below this value