Go to artofstat.com, click on Web Apps, scroll down and open the Sampling Distribution of the Sample Mean (Continuous Population). Do not use Discrete Population. Under Select Population Distribution, choose Skewed from the drop down menu. Note the mean and standard deviation given on the graph. Which of the following statements is true? O Both the mean and standard deviation are parameters, Both the mean and standard deviation are estimators, O The standard deviation is a parameter, but the mean is an estimator. The mean is a parameter, but the standard deviation is an estimator. MT