Free Practice Question
CR · Critical Reasoning
655-705
Complete the Passage
.
Which of the following best completes the passage below? A recent investigation was carried out to assess whether overhead power cables had any adverse health impacts. The researchers examined individuals residing within 250 meters of high-voltage cables over a 10-year span and searched for statistically significant increases in rates of over 800 health issues. The findings indicated that the rate of childhood leukemia was five times greater among those living nearest to the power cables. However, this statistic alone should not raise concern, because__________________________.
Which of the following best completes the passage below? A recent investigation was carried out to assess whether overhead power cables had any adverse health impacts. The researchers examined individuals residing within 250 meters of high-voltage cables over a 10-year span and searched for statistically significant increases in rates of over 800 health issues. The findings indicated that the rate of childhood leukemia was five times greater among those living nearest to the power cables. However, this statistic alone should not raise concern, because__________________________.
Answer Choices
Sign in to reveal the correct answerA
(A) childhood leukemia can also be influenced by various environmental factors
B
(B) another investigation revealed that most children diagnosed with childhood leukemia lived far from power cables
C
(C) the sheer number of health issues, over 800, significantly increased the likelihood that at least one issue would show a statistically significant difference purely by chance
D
(D) there was no notable correlation between the other 799 health issues and proximity to power cables
E
(E) childhood leukemia, unlike leukemia in adults, is often treatable and has a high survival rate
Reveal the correct answer
Sign in for free to check your answer and unlock the full explanation.
Track your performance and improve
Get detailed analytics, unlock full explanations, and move up difficulty tiers as you practice.
Explanation
Unlock the full explanation
Create a free account to reveal the correct answer, see the step-by-step explanation, and start tracking your GMAT progress.
Comments
4
Sign in to join the discussion
P
PrathamJan 19, 2025
thanks!
Details
Difficulty
655-705
Type
CR