Question

Type-B method is a type of which evaluation approach?

(a) Gaussian approach

(b) Triangular distribution approach

(c) U shaped distribution approach

(d) Modern approach

I got this question in quiz.

This question is from Type B Evaluation of Standard Uncertainty in portion Evaluating Uncertainty in Measurement of Engineering Metrology

Answer 1

Correct choice is (d) Modern approach

To elaborate: Type-B method is a part of modern approach,  it’s another part is Type-A method. Type-B evaluation of uncertainty use manufacturer’s specifications like previous measurement data for material or measuring instrument.