GRE Subject Test: Math : Mean

Study concepts, example questions & explanations for GRE Subject Test: Math

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Example Questions

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Example Question #31 : Statistics

The average test score was an , the scores were as followed , and . Find 

Possible Answers:

Correct answer:

Explanation:

Use the mean equation: 

Enter in the numbers

Simplify

Multiply each side by 

Subtract  from both sides

 

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