You are studying the colors of houses on a highly populated street. Decide whether or not each of the following descriptions is an example of systematic sampling. Use pencil and paper. Explain your reasoning for each decision.
You choose the first and last 9 houses on the street.
You start at the eighth house and choose the next 25 houses on the street.
You choose every seventh house on the street, starting with the third.
You list the houses alphabetically by owner's last name, and choose every fifth house on the list, starting at the second.
Select each description that is an example of systematic sampling.
A.
You choose the first and last 9 houses on the street.
B.
You list the houses alphabetically by owner's last name, and choose every fifth house on the list, starting at the second.
C.
You choose every seventh house on the street, starting with the third.
D.
You start at the eighth house and choose the next 25 houses on the street.
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