Question

To estimate the percentage of defects in a recent manufacturing​ batch, a quality control manager at Ford selects every 18th truck that comes off the assembly line starting with the ninth until she obtains a sample of 60 trucks. What type of sampling is​ used?A. StratifiedB. Systematic C. Simple random D. ClusterE. Convenience

Answer 1

Answer:B) Systematic

Step-by-step explanation:

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Answer 2

Answer:

Systematic sampling.

Step-by-step explanation:

The systematic sampling is a type of random sampling in which a unit is selected from k units and after this every kth unit is selected until population is serially numbered from 1 to N arranged in a systematic way.

The statement shows that every 18th truck is selected until a sample of 60 trucks is selected. It shows that a systematic random sample is obtained with k=18 and thus, systematic sampling is used.