April wants to know to what extent business majors are politically conservative. She asks 9 business majors to do a measure of political conservatism on a scale from 1 to 10 with 10 being most conservative. She finds M = 8.0, [6.0, 10.0]. This supports April's notion that business majors tend to be conservative, but the CI is long. April decides to collect more data to narrow the CI. What happens?

a.As more data are collected, the CI will shorten, and stay centered around 8.

b.As more data are collected, the CI will shorten, and the center change to a value within the original CI.

c.As more data are collected, the CI will shorten, and the center change to a value outside of the original CI.

d.Trick questionas more data are collected the CI will actually get longer.