A typical confidence level is 95 percent,meaning
A)that a researcher is 95 percent confident that the true population parameter falls within the range around what the researcher found in the sample.
B)chance of 5 percent error.
C)the research is wrong.
D)All of these answers are correct.

Question

Quizplus · Accepted Answer

A confidence level of 95 percent means that there is a 95 percent chance that the true population parameter falls within the range around what the researcher found in the sample. This does not necessarily mean that there is a 5 percent chance of error or that the research is wrong.

A Typical Confidence Level Is 95 Percent,meaning