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5 Written Questions

5 Multiple Choice Questions

  1. 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.
  2. for a data set is the difference between the third quartile and the
    fi rst quartile: Q3 􀀀 Q1.
  3. is an extreme data point that does not t into the overall pattern of the rest of the data.
  4. is a variable which represents a measurable quantity,
    one which can be represented by a number.
  5. 75/100 * N

5 True/False Questions

  1. 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.

          

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

          

  3. rangeMax-min

          

  4. confounding variableis a variable which represents a measurable quantity,
    one which can be represented by a number.

          

  5. Q125/100 * N

          

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