What is the Average of 20,21,22,23_______________________?
Correct answer: C. 21.5
- A. 20
- B. 21
- C. 21.5
- D. 22
Explanation
Add the four values and divide by four: (20 + 21 + 22 + 23) ÷ 4 = 86 ÷ 4 = 21.5. The values are evenly distributed around 21.5, confirming the result.
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