A confidence Interval estimate is determined from the SAT scores. All other things being equal, which of the following will result in a big margin of error? I. Bigger Standard Deviation II. Smaller...

A confidence Interval estimate is determined from the SAT scores. All other things being equal, which of the following will result in a big margin of error? I. Bigger Standard Deviation II. Smaller Sample Size III. Bigger confidence interval IV. Bigger sample size A) I and II. B) I and III. C) II and III. D) I, II, and III. E) II and IV