Dennis Roberts wrote:
>
> it seems to me that the notion of a confidence interval is a general
> concept ... having to do with estimating some unknown quantity in which
> errors are known to occur or be present in that estimation process
>
> in general, the generic version of a CI is:
>
> statistic/estimator +/- (multiplier) * error
>
> the multiplier will drive the amount of confidence and, error will be
> estimated by varying processes depending upon the parameter or thing you
> are estimating
>
One issue for individual observations is that one might use a
prediction interval or a tolerance interval depending on the exact
research question. One looks more like a confidence interval, the
other less.
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