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5 Written questions

5 Multiple choice questions

  1. is an alternative to a census, in which data is collected from only some members of the population.
  2. is a sampling technique in which every member of the population should have the same (random) chance of being in the sample as any other member of the
    population.
  3. is a controlled placebo study in which neither the subjects nor the scientists conducting the study know which subjects are in the treatment group and which are in the control group.
  4. of a quantitative data set is a summary of the center of the data set.
    It is computed by adding the data elements together and dividing by N, the number of
    data elements.
  5. is a sampling method which uses random or probabilistic selection as part of its design.

5 True/False questions

  1. rangeof a quantitative data set is a summary of the center of the data set.
    It is computed by adding the data elements together and dividing by N, the number of
    data elements.

          

  2. outlieris an alternative to a census, in which data is collected from only some members of the population.

          

  3. five-number summaryfor a data set consists of the minimum value in the data set
    Min, the fi rst quartile Q1, the median M = Q2, the third quartile Q3, and the maximum value Max.

          

  4. capture-recaptureis an alternative to a census, in which data is collected from only some members of the population.

          

  5. Q125/100 * N

          

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