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).
You can use it to determine how many people you need to interview in order to get results that reflect the target population as precisely as needed. You can also find the level of precision you have in an existing sample. Before using the sample size calculator, there are two terms that you need to know. These are: confidence interval and confidence level. If you are not familiar with these terms, click here. To learn more about the factors that affect the size of confidence intervals, click here.