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the principal of a high school wants to gather opinions from the parents of students at his school. he starts with the 2nd name in the parents teacher association (pta) phone handbook and then selects every 5th name in the directory. the 2nd, 7th, 12th, … names in the directory are chosen for his sample. this is an example of a/an sample.

Sagot :

This example is an part of systematic sampling.

What are the advantages and disadvantages of systematic sampling ?

  • Simple to Use and Understand.
  • A sense of process and control.
  • Clustered Selection is no longer used.
  • Low risk component
  • assumes it is possible to estimate the population size.
  • Natural Degree of Randomness is required.
  • Data Manipulation Risk is Greater.

Disadvantage

  • A population must be closely approximated for this procedure to work.
  • Some populations are able to recognize the sample pattern.
  • A little likelihood of selection is produced.
  • There is a significant risk of data manipulation.
  • In comparison to random sample, systematic sampling is less random.

To learn more about systematic sampling, visit

brainly.com/question/13600657

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