Which of the following statements is correct?
A)The higher the confidence level, the smaller the confidence interval.
B)The lower the confidence level, the smaller the confidence interval.
C)The greater the population variance, the smaller the confidence interval.
D)None of the above.

Question

Quizplus · Accepted Answer

A lower confidence level means that you are willing to accept a higher chance of your interval not containing the true population parameter, which results in a narrower (smaller) confidence interval. Higher confidence levels and greater population variances both lead to wider confidence intervals.

Which of the Following Statements Is Correct