Use the Following Information for Following Questions

Multiple Choice

Use the following information for following questions:. Which treatment is most effective at
treating carpet stains: vinegar, ammonia, or hydrogen peroxide? In a study, researchers randomly assigned
55 carpet samples with identical stains to one of three groups. Depending on which group they were
assigned to, each carpet sample received a home remedy of water mixed with vinegar, ammonia, or
hydrogen peroxide. Afterwards, each carpet sample was examined and any remaining stain was measured.
Researchers found that a vinegar and water mixture produced better results than both ammonia and
hydrogen peroxide.
-Choose the statement that restates the conclusion of the study in terms of a cause-and-effect conclusion.

A) A water and vinegar mixture effectively treats carpet stains compared to ammonia and hydrogen peroxide.
B) People who use water and vinegar to treat carpet stains will have fewer visible carpet stains.
C) A water and ammonia mixture effectively treats carpet stains compared to ammonia and hydrogen peroxide.
D) The type of treatment received is associated with the amount of stain removed.