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

Question

Abagail Griffin

Mathematics

18 August, 08:06

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

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Maddox Bush · Answer 1

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.