SAT Math Practice Question #2504 (Medium) | Test Citadel
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SAT Math Difficulty: Medium

Digital SAT Math Practice Question #2504

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A frequency distribution shows 4 students scored 70, 6 scored 80, and 10 scored 90. What is the weighted average score?
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Socratic AI Engine Step-by-Step Derivation
0ms Precomputed
⚡ 15-Second Desmos Speed Hack

Desmos / Statistical Reason: Filter conditional probability denominators carefully — 'out of what total' is always the key.

Masterclass Solution & Distractor Trap Analysis

Weighted sum $= 4(70) + 6(80) + 10(90) = 280 + 480 + 900 = 1,660$. Total students $= 20$. Average $= 1660 / 20 = 83$....

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

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