Which of the following statements is correct?
A) Researchers prefer to have a small standard error.
B) As the standard error increases, the width of the 95% confidence interval decreases.
C) Both "a" and "b" are correct.
D) None of the above is correct.

Question

Quizplus · Accepted Answer

Researchers prefer to have a small standard error because it indicates that their estimates are more precise and closer to the true population value. Option B is incorrect because as the standard error increases, the width of the confidence interval also increases, indicating less precision in the estimate. Therefore, none of the options is correct, except for option A.

Which of the Following Statements Is Correct