Question: What is implied by a confidence level of 95% for measurement uncertainty tolerance intervals in the context of RF tests for a Test System?
Option 1: It ensures that 95% of all measurements taken will be exact, with no room for error.
Option 2: It signifies that the specified uncertainty values are relative and may vary based on the Device Under Test (DUT).
Option 3: The measurement uncertainty tolerance interval contains 95% of the performance of a population of test equipment.
Option 4: It indicates that the Test System's accuracy is only validated for 95% of the possible input ranges.
Explanation: A confidence level of 95% in this context means that the interval (range) within which the measurement uncertainty is specified, captures 95% of the expected performance variations across a population of test equipment. This does not imply an absolute accuracy for every single measurement (excluding Option 1), nor does it suggest relative values dependent on the DUT (excluding Option 2), or limited validation to specific input ranges (excluding Option 4).