Which of the Following Statements Is True

question 30

Multiple Choice

Which of the following statements is true?

• A)The sample size required to ensure 95 percent confidence limits will be smaller than that for 90 percent confidence limits.
• B)The sample size required to ensure a smaller confidence interval will also be smaller.
• C)The only way to reduce the width of a confidence interval is to reduce the confidence requirements.
• D)The required sample size is dependent on å only.
• E)The required sample size for given error and confidence levels is independent of the population size.