When one is certain that an interval is a good one, one likely has high ______________.
A) confidence
B) validity
C) point estimate
D) none of the above

Question

Quizplus · Accepted Answer

Confidence is a measure of how certain we are that a true parameter falls within a given interval. Therefore, high confidence would indicate that we are very certain that the interval contains the true parameter. Validity refers to the extent to which a measurement tool is measuring what it is supposed to measure, and point estimate is a single numerical value used to represent an unknown parameter, so neither of those options are appropriate in this context.

When One Is Certain That an Interval Is a Good