If the confidence level is increased, which of the following must also be increased?
A) sample estimate
B) multiplier
C) standard error
D) none of the elements would be increased

Question

Quizplus · Accepted Answer

Increasing the confidence level means that you want to be more certain about your estimates capturing the true parameter. To achieve this, the range of the confidence interval must be widened, which is done by increasing the multiplier (often a z-score or t-score) in the confidence interval formula. The multiplier value is directly related to the confidence level; a higher confidence level requires a higher multiplier.

If the Confidence Level Is Increased, Which of the Following