John would like to conduct a survey in his neighborhood to get homeowners' opinions on the Delmarva proposal to switch to natural gas.Which of the following is an example of a stratified sample?
A) John randomly chooses three streets and selects every third house on those streets.
B) John selects the first 25 homes that he passes as he walks into the entrance of the development.
C) John selects every third house on each street.
D) John selects an equal number of two-story,split-level,and ranch houses.

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The Answer of John would like to conduct a survey in his neighborhood to get homeowners' opinions on the Delmarva proposal to switch to natural gas.Which of the following is an example of a stratified sample?
A) John randomly chooses three streets and selects every third house on those streets.
B) John selects the first 25 homes that he passes as he walks into the entrance of the development.
C) John selects every third house on each street.
D) John selects an equal number of two-story,split-level,and ranch houses.

John Would Like to Conduct a Survey in His Neighborhood