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A statistics teacher has 4 periods of introductory statistics. She wants to get students’ opinions on a new homework policy. To get a sample, the teacher randomly selects 1 period and surveys all of the students in that class. Which sampling method was used?

A.) cluster sampling
B.) simple random sampling
C.) stratified random sampling
D.) systematic random sampling

Sagot :

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Answer:

the answer is B

b) Simple random sampling

Using sampling concepts, it is found that the correct option is:

A.) cluster sampling

Samples may be classified as:

  • Convenient: Drawn from a conveniently available pool.
  • Random: All the options into a hat and drawn some of them.
  • Systematic: Every kth element is taken.  
  • Cluster: Divides population into groups, called clusters, and each element in the cluster is surveyed.
  • Stratified: Also divides the population into groups. However, only some elements of each group are surveyed.

In this problem:

  • The students are divided into groups, according to their periods.
  • All the elements of a period are selected, hence, cluster sampling is used, and option A is correct.

To learn more about sampling concepts, you can take a look at https://brainly.com/question/25122507

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