Question

True or false: In designing an experiment, an investigator's only aim is to obtain as wide a confidence interval as possible because the wider the confidence interval, the more likely it is to include the true population mean difference.

Answer 1

False..?

Answer 2

I mean.. idk but the "only" part in the first sentence makes me say false.

Answer 3

The 2nd part is true though.

Answer 4

Yes, that's what I was thinking too, given the inclusion of the "only"