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UI Post-UTME Economics 2024 (Model questions) Question 15

Question 15

Tools of Economic Analysis

If there are ten values each equal to 10, then standard deviation of these values is:

  1. A.100
  2. B.20
  3. C.10
  4. D.0
Show the answer and explanation

Answer: D (0)

Explanation

All the values equal the mean, so there is no spread and the standard deviation is 0.