A data set has a mean of 22 and consists of 4 numbers. If 3 of the numbers are 28, 26, 30, what is the remaining number?
Difficulty: Medium
About this MCQ
Medium GRE item. Correct choice: A. 4.
- A. 4 ✓
- B. 22
Why not B: “22” is not 4.
- C. -1
Why not C: “-1” is not 4.
- D. 9
Why not D: “9” is not 4.
Correct answer
A. 4
Explanation
4 (option A) is the accepted answer to “A data set has a mean of 22 and consists of 4 numbers. If 3 of the numbers are 28, 26, 30, what is the remaining number”. Option B (22) is a different value from 4. Option C (-1) is a different value from 4. Option D (9) is a different value from 4. Keep 4 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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