To estimate the percentage of defects in a recent manufacturing batch, a quality control manager at Apple selects every 17th ipod that comes off the assembly line starting with the third until she obtains a sample of 100 ipod.

What type of sampling ?
A. Convenience
B. Simple random
C. Stratified
D. Systematic
E. Cluster

Question

To estimate the percentage of defects in a recent manufacturing batch, a quality control manager at Apple selects every 17th ipod that comes off the assembly line starting with the third until she obtains a sample of 100 ipod. 

What type of sampling ?
A. Convenience 
B. Simple random
C. Stratified 
D. Systematic 
E. Cluster

campbell_st · Answer

this is systematic ... as they have a plan or rule in place for the sampling process.

anonymous · Answer

okay thank you.