In constructing a confidence interval estimate of the population mean you decide to select 49 random observations to get your point estimate of the mean (sample mean). Your friend is also constructing a similar confidence interval estimate but decides to use a sample size of 36 random observations. Which of the following is true?
Answer
A. Your friend's confidence interval estimate has a greater degree of confidence.
B. Your confidence interval estimate has a greater degree of confidence.
C. Your confidence interval estimate is narrower.
D. Your confidence interval estimate is wider.