save me

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Across
  1. 2. Feeling unsure? Let the intervals speak to you!
  2. 3. Not one, not two, but many variables!
  3. 4. Found in every wear and tear
  4. 5. There are 5.454 million people in Singapore
  5. 7. There is only room for progression, never the other way round!
  6. 8. Students always mix me and my look-alike graph up
Down
  1. 1. What is another word for the opposing statement to H0
  2. 5. Another non-normal bimodal distribution
  3. 6. Without me, there wouldn't be a P-Value song
  4. 9. It is a tradition to play two-up on which day?