unit one puzzle

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Across
  1. 1. a subset of the population
  2. 5. measurement of a variable in which the numbers indicating a variable's values represent fixed measuring units and an absolute zero point
  3. 6. every nth member of the population is selected
  4. 8. divide the population into sections and then randomly select a few of those sections, then choose all the members of those sections
  5. 9. the collection of data from every member of the population
  6. 12. data that consists of names, labels, or categories
  7. 13. the science of collecting, organising, analysing, and interpreting data to make decisions
  8. 14. random sample a sample that every possible sample of the same size has the same chance of being selected
  9. 17. choosing individuals who are easiest to reach
  10. 19. a method of data collection that has participants answer a series of questions
  11. 20. a research method that requires use of a treatment and then observes its effects on the subjects
  12. 21. classifies data into categories that can be ranked; however, precise differences between the ranks do not exist
  13. 23. information that describes qualities or characteristics
Down
  1. 1. divide the population into at least two sub-populations that share the same characteristic, and then draw a sample from each group
  2. 2. the collection of all outcomes, responses, measurements, or counts that are of interest
  3. 3. numerical data
  4. 4. the branch of statistics that draws conclusions about a population from sample data
  5. 7. the branch of statistics that involves the organisation, summarisation, and display of data
  6. 10. characteristic of a sample
  7. 11. a count or measure of part of a population
  8. 13. a mathematical or physical model to reproduce conditions of a situation or process
  9. 15. a characteristic of a population
  10. 16. sample a sample that fairly represents a population because each member has an equal chance of inclusion
  11. 18. measurement of a variable in which the numbers indicating a variable's values represent fixed measurement units but have no absolute, or fixed, zero point
  12. 22. facts and statistics collected together for reference or analysis