These statistics have been found from a reliable source dealing with alcoholism as a disease. There really is no way of knowing if you will become an alcoholic just because one or both of your parents drink alcohol. guess the bottom line is that if you choose to drink alcohol, then you will get drunk and itâs possible that you will have a battle with it like your mother or father did. Just donât do it at all.
Confidence intervals are also very useful for comparing means or proportions and can be used to assess whether there is a statistically meaningful difference. This is based on whether the confidence interval includes the null value (e.g., 0 for the difference in means, mean difference and risk difference or 1 for the relative risk and odds ratio).
Predictions by Regression: After we have statistically checked the goodness of-fit of the model and the residuals conditions are satisfied, we are ready to use the model for prediction with confidence. Confidence interval provides a useful way of assessing the quality of prediction.ou are to determine the quantity to be ordered, and how often to order it. The data to consider are the demand rate x = 1200 boxes per year; the ordering cost C 1 = $5 per order; holding cost C 2 = $1.20 per box, per year.