Study

Statistics Chapter 1

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  • Nominal, ordinal, interval or ratio? Marital status of the faculty at BSHS
    Nominal
  • Which experimental design are you using if you divide subjects with similar characteristics into blocks, and then, within each block, randomly assign subjects to treatment groups?
    Randomized block design
  • What occurs when the experimenter cannot tell the difference between the effects of different factors on a variable?
    Confounding variable
  • Qualitative or quantitative? The final scores on a video game
    quantitative
  • This occurs when a subject reacts favorably to a placebo when in fact the subject has been given no treatment at all.
    Placebo effect
  • Qualitative or quantitative? The colors of automobiles on a used car lot
    qualitative
  • Which sampling technique tends to lead to the most bias?
    Convenience
  • Which experimental design are you using if subjects are paired up according to a similarity and one subject in the pair is randomly selected to receive one treatment while the other subject receives a different treatment?
    Matched pairs design
  • Which level of measurement can contain only qualitative data?
    Nominal
  • Nominal, ordinal, interval, or ratio? Cost of a college education from universities in SC
    Ratio
  • simple random, stratified, cluster, systematic, or convenience? Several people from each zip code in the county are given a survey.
    Stratified
  • Which level of measurement can contain qualitative or quantitative data?
    Ordinal
  • What is the repetition of an experiment using a large group of subjects?
    Replication