sample statistics such as the sample mean or the sample proportion can be used to es 2920516

Sample statistics, such as the sample mean or the sample proportion, can be used to estimate a population parameter (such as the population mean or the population proportion). For example, you can estimate the true mean weight of all newborn babies in the entire world by collecting a sample and using that sample to generate a 95% confidence interval.

Because the sample is a relatively little portion of the entire population, errors will have to be considered. Using a sample to create a range or interval of values that estimates a population value is called a “confidence interval.”

The formula for calculating a 95% confidence interval for a population mean is:

The general “Confidence Interval” formula is:

sample mean – E.

Submit a Comment