A convenience sampling method is one of the main kinds of non-probability sampling methods. It is made up by researcher according to his or her accessibility i.e. the researcher select the participants or the items from the population that are easy to reach.
The given statement shows that the quality control analyst inspects the first 100 items produced that day i.e. he selected the items according to his convenience.
Based on the given scenario above wherein the quality control analyst just inspects the first 100 items produced that day in order to avoid staying after work, the sampling method that she used is the CONVENIENCE SAMPLING METHOD. Hope this helps.
your profile says you're 22 but I find that painfully challenging to believe. She knits 5 scarves in 2 hours. Divide 10 by 2, you get 5. 5x5 is 25. It's C. You shouldn't need help. This is sad.