Chapter 1 Quiz

The flashcards below were created by user Anonymous on FreezingBlue Flashcards.

  1. Statistics
    Science of collecting, Organizing, analyzing, and interpreting data in order to make conclusions.
  2. Data
    • Information that is collected
    • i.e. measurements, counts, responses, and observations
  3. Population vs Sample
    All vs Some; sample is a subset of population
  4. Parameter
    numerical description of a population characteristic
  5. Statistic
    numerical description of a sample characteristic
  6. Descriptive statistics
    summarizes and diplays the findings
  7. Inferential Statistics
    conclusions based on descriptive statistics
  8. Qualitative
    labels, names, qualities, attributes
  9. Quantitative
    numerical measures and counts
  10. nominal
    Qualitative data; includes names, attributes, etc. No meaningful calculations can be made
  11. ordinal
    Qualitative or Quantitative; can order or rank data; no meaningful calculations can be made
  12. interval
    Quantitative data; zero is not an inherent zero, only a position on a scale. Meaningful differences can be found.
  13. ratio
    Quantitative data; zero is an inherent zero; values below zero wouldn't make sense to discuss.  Meaningful ratios and/or differences can be found.
  14. Survey
    collecting responses
  15. observation
    observe; do not change any existing conditions
  16. experiment
    conditions are changed in some way, or treatment is applied.
  17. blinding experiment
    those a part of the study don't know what group they are in.
  18. Double Blind
    individuals don't know what group they are in, and experimenter doesn't know either.  (however, someone does have to know)
  19. simulation
    used when it is too dangerous, costly, or impossible t use a different method.
  20. Random
    no rules, just randomly pick a sample.
  21. systematic
    pick every nth individual/object to create sample
  22. convenience
    out of convenience, o to one location and collect information to use as sample
  23. cluster
    pick one or more subgroup, but not all and collect all info from the subgroup(s) to create the sample.
  24. stratified
    collect some info from all subgroups in order to create a sample.
Card Set
Chapter 1 Quiz
Statistics Chapter 1 Quiz
Show Answers