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Re: A medical article once pointed with great alarm to an increase in [#permalink]
Got 5/7 correct in 8ish minutes.
I still don't understand how we can conclude of a positive and not a negative correlation in Q7, I selected A for its neutrality

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Re: A medical article once pointed with great alarm to an increase in [#permalink]
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Siddhi_Sahni wrote:
Got 5/7 correct in 8ish minutes.
I still don't understand how we can conclude of a positive and not a negative correlation in Q7, I selected A for its neutrality

Posted from my mobile device


Explanation


7. How would the author be most likely to explain the correlation between the “salaries of California school teachers [and the] profits of Nevada gambling halls” (Highlighted)?

Difficulty Level: 700

Explanation

Based on the information provided in the passage, the author would most likely explain the correlation between the "salaries of California school teachers [and the] profits of Nevada gambling halls" as (B) There is a positive correlation that is probably linked to general economic trends, but no direct causal relationship exists.

The passage emphasizes the importance of distinguishing between correlation and causation and cautions against assuming cause and effect whenever two things vary together. It mentions that in our time, it is easy to show positive correlations between pairs of things that are influenced by general economic trends or other factors. The examples given include the number of students in college, number of inmates in mental institutions, consumption of cigarettes, incidence of heart disease, use of X-ray machines, production of false teeth, salaries of California school teachers, and profits of Nevada gambling halls.

The author implies that these correlations are likely influenced by broader economic or societal trends rather than having a direct causal relationship. Therefore, it can be inferred that the author would explain the correlation between the salaries of California school teachers and the profits of Nevada gambling halls as a positive correlation linked to general economic trends, but not as a result of a direct causal relationship between the two factors.

Answer: B
GMAT Club Bot
Re: A medical article once pointed with great alarm to an increase in [#permalink]
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