The sample mean must approach the population mean as the size of the sample grows.

None is true

The population mean must approach the sample mean as the size of the sample grows.

The population mean is the natural estimator of the sample mean.

How confident we are that the parameter, population mean, is estimated accurately.

All are true

How accurate we believe our guess for the parameter is, based on the variability of the estimate and how confident we are that the procedure will catch the true population mean.

The variability of the estimate based solely on the characteristics of the parameter.

outro valor

outro valor