A data set has a mean of 18 and consists of 6 numbers. If 5 of the numbers are 14, 20, 7, 36, 28, what is the remaining number?
Difficulty: Medium
About this MCQ
Medium GRE item. Correct choice: A. 3.
- A. 3 ✓
- B. 18
Why not B: “18” is not 3.
- C. -2
Why not C: “-2” is not 3.
- D. 8
Why not D: “8” is not 3.
Correct answer
A. 3
Explanation
3 (option A) is the accepted answer to “A data set has a mean of 18 and consists of 6 numbers. If 5 of the numbers are 14, 20, 7, 36, 28, what is the remaining number”. Option B (18) is a different value from 3. Option C (-2) is a different value from 3. Option D (8) is a different value from 3. Keep 3 as the GRE fact for this stem.
Source: Original practice question, MCQsHub
Tags: American Exams, GRE, Quant, Statistics
Submitted by: MCQsHub Editorial
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