ASQ Certified Quality Engineer (CQE) — Question 78

What is the standard deviation of the values below?
4.5, 5.1, 6.2, 2.1, 3.9

Answer options

• A. 1.136
• B. 2.087
• C. 1.362
• D. 1.522

Correct answer: C

Explanation

The correct answer is C, as the standard deviation is a measure of the amount of variation or dispersion in a set of values. The other options do not accurately reflect the calculated standard deviation for the provided data set.