Understanding the argument - (Option B and D language in the original question is different from the one in this prompt, so I have updated it to the original language)
In a study conducted on several schools in Phoenix, though the assignments did not require them to show the rough work, students of various classes sometimes showed the rough work on the assignments before submitting them to their teachers and sometimes did not. - Fact.
Marks on the rough work assignments were on average four percentage points higher than the marks on assignments without the rough work. - Fact. So far, it's a correlation. We haven't been told about any cause yet.
Therefore, if the students regularly showed the rough work on the assignments, their average marks on the assignments would be significantly higher than it otherwise would have been. - Conclusion. This straightaway converts the correlation to causation.
Option Elimination - Assumption
A. The marking system in the various schools follow the
...
In a study conducted on several schools in Phoenix, though the assignments did not require them to show the rough work, students of various classes sometimes showed the rough work on the assignments before submitting them to their teachers and sometimes did not. - Fact.
Marks on the rough work assignments were on average four percentage points higher than the marks on assignments without the rough work. - Fact. So far, it's a correlation. We haven't been told about any cause yet.
Therefore, if the students regularly showed the rough work on the assignments, their average marks on the assignments would be significantly higher than it otherwise would have been. - Conclusion. This straightaway converts the correlation to causation.
Option Elimination - Assumption
A. The marking system in the various schools follow the
...
Statistics : Posted by Raman109 • on 11 Nov 2020, 10:45 • Replies 7 • Views 2770
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