What's the Statistical Term?

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Across
  1. 1. If instead of telephone interviews, only Gallup employees are interviewed. This will cause sampling __________.
  2. 5. The percentage of all adult workers that are completely satisfied
  3. 7. "Whether a worker is completely satisfied" is a ________ variable
  4. 9. Sixty-five percent
  5. 10. All U.S. Workers
Down
  1. 2. Based on Gallup Poll, we conclude that 65% of U.S. workers are completely satisfied. This process is statistical _______.
  2. 3. each U.S. worker
  3. 4. In another poll, 43% of the interviewed workers were completely satisfied. This difference is due to sampling _________.
  4. 6. 529 adults in telephone interviews
  5. 8. The process of getting 529 adults workers from all adult workers