MCQOPTIONS
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MCQOPTIONS
| 1. |
What is the equation for experimental variance used in Type-A evaluation of uncertainty? |
| A. | σ = √[(1/n-1) ∑<sup>n</sup><sub>i=1</sub> (xi-x’)]. |
| B. | σ = √[(1/n-1) ∑<sup>n</sup><sub>i=1</sub> (xi-x’)<sup>2</sup>]. |
| C. | σ = √[(1/n-1) ∑<sup>n</sup><sub>i=1</sub> (xi+x’)<sup>2</sup>]. |
| D. | σ = √[(1/n+1) ∑<sup>n</sup><sub>i=1</sub> (xi-x’)]. |
| Answer» C. ‚âà√¨‚àö√¢ = ‚Äö√Ñ√∂‚àö‚Ć‚àö‚àÇ[(1/n-1) ‚Äö√Ñ√∂‚àö‚Ć‚àö¬¥<sup>n</sup><sub>i=1</sub> (xi+x‚Äö√Ñ√∂‚àö√ë‚àö¬•)<sup>2</sup>]. | |