Jason, a champion marksman, has discovered that the sight on his best competition rifle does not hit the target where he aims it, but that it does always miss by the same distance and in the same direction. Variation in his sight best illustrates
A) correlation.
B) random sampling.
C) validity.
D) reliability.

Question

Quizplus · Accepted Answer

Reliability refers to consistency or stability of a measure, and in this case, the sight on Jason's rifle consistently misses the target by the same distance and in the same direction. This consistent error suggests that the sight is unreliable. Correlation is a statistical measure of the relationship between variables. Random sampling refers to the process of selecting a sample randomly from a population. Validity refers to whether a measure actually measures what it is intended to measure. None of these concepts apply to the situation described in the question.

Jason, a Champion Marksman, Has Discovered That the Sight on His