Choose the statement that is FALSE.
A) A 95% confidence interval is wider than a 90% confidence interval
B) When estimating the standard deviation in calculating confidence intervals, make sure you use the t tables.
C) Reducing the variation of a process will increase the width of a given Confidence Interval relative to that process.
D) When sampling for means and thinking about the Central Limit Theorem, the n should always be >30.
