Use the GSS 2014 data on education fromCh. 5("The Normal Distribution"), Exercise 5.

As our confidence in the result increases, how does the size of the confidence interval change?

1. The confidence interval gets wider, not narrower - increasing confidence leading to less precise intervals.
2. The confidence interval gets narrower, but not wider - decreasing confidence leading to more precise intervals.
3. As the result increases, the confidence level remains the same.
4. As the result increases, the confidence level is reduced