1.3.27 Identify the sampling techniques used, and discuss potential sources of b

Question

1.3.27 Identify the sampling techniques used, and discuss potential sources of bias (if any). Explain. Chosen at random, 540 customers at an electronics store are contacted and asked their opinions of the service they received. What type of sampling is used? O A Simple random sampling is used since the business is selecting from its customers at random, and a samples of 540 customers have an equal chance OB. Cluster sampling is used, since the population of customers is divided into groups and several groups are selected and all of their members sampled being selected essus ele tingannn itsour to er sandera dem sa ple isselectedfromeachgroup. C. D E. Convenience sampling is used, since the business is selecting from its customers that are easiest to reach. Stratified sampling is used, since the population of customers is d vided into groups and a random sample is selected from each group. Systematic sampling is used, since customers are selected at fixed intervals.

Explanation / Answer

Solution1.,3.27

choosen at random given.

it is simple random sampling.

OPTION A

sOLUTION2:

Systematic sampling is the selection of samples from population according to a set or plan.

in this case every 4 th item is being selected.

OPTION C

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