Provide an appropriate response. An interval estimate is typically preferred ove

Question

Provide an appropriate response. An interval estimate is typically preferred over a point estimate because I) it gives us a sense of accuracy of the point estimate II) we know the probability that it contains the parameter (eg.95%) III) it provides us with more possible parameter values I only III only all of these both I and II Select the most appropriate answer When a smaller sample size is used to estimate a proportion and all other factors involved are held constant the confidence interval will be less likely to contain the parameter being estimated the confidence interval will be narrower there is not enough information to determine the effect on the confidence interval the confidence interval will not be affected the confidence interval will be wider.

Explanation / Answer

Confidence intervals are preferred to point estimates, because confidence intervals indicate (I) the precision or accuracy of the estimate and (b) the uncertainty of the estimate.

Also, II) we know the probability that it contains the parameter (e.g., 95%)

So, bot I and II are correct

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