Suppose you have a dataset with the following summary statistics: n = 30, x? = 5.23, and s = 1.96. Also suppose a 95% confidence interval is constructed from the summary statistics. If you realize that the standard deviation was supposed to be 2.96 and not 1.96, how would your confidence interval change? 

A. Its center would move up one unit. 

B. Its center would move down one unit. 

C. It would be wider. 

D. It would be narrower. 

E. It would have the same width.