SAT Reading and Writing Practice Question #2931 (Medium) | Test Citadel
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SAT Reading and Writing Difficulty: Medium

Digital SAT Reading and Writing Practice Question #2931

Test your problem-solving accuracy on this official-caliber item. Select an answer choice to check your reasoning instantly.

In experimental evaluation of Dataset Omega-2, researchers tested the effect of compound X-2 on bacterial inhibition over 24 hours. The control culture exhibited 100 bacterial colonies, while the experimental culture treated with compound X-2 exhibited 90 colonies, representing a 20% reduction. Which choice most accurately interprets the experimental outcome?
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Socratic AI Engine Step-by-Step Derivation
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Quantitative Reading: Match the exact direction of change (increase vs decrease) between the passage numbers and the answer choices.

Masterclass Solution & Distractor Trap Analysis

The experimental group had a lower colony count than the control, directly confirming that compound X-2 inhibited bacterial growth....

Distractor Analysis: Trap choice eliminates careless test-takers who confuse roots with coordinates...

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