Free SAT Practice Question

Question 1 of 1
ID: SAT-MATH-PSDA-044
Section: SAT Math - Problem Solving & Data Analysis (PS&DA)
Topic: Average
Difficulty level: Medium

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In a biology class, the \(18\) students who completed the extra-credit project earned a mean score of \(91\) on the final exam, while the \(12\) students who did not complete it earned a mean score of \(81\). What was the mean final-exam score of all \(30\) students in the class?

Numeric Answer:

General Hint: Enter the answer as an integer or a decimal in a single answer box. If two answer boxes are given, enter the answer as a fraction, with one box being the numerator and the other being the denominator. Read carefully whether the answer should rounded and make sure you round to the required degree of accuracy. Do not enter any symbols or characters in the box(es) provided.

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