SOCR EduMaterials Activities ConfidenceIntervals

URL Go to: http://www.socr.ucla.edu/htmls/SOCR_Experiments.html

Choose the Confidence Interval Experiment. In this experiment you will investigate the emperical properties of the sample-size, confidence level, the size of the constructed confidence interval and the practical utilization of Confidence Intervals in statistical data analysis

• Exercise 1:

• Question 1: Compare the Mean of the theoretical distribution of the X variable and that of the Mean of the distribution of the (the distribution of the M). These are theoretical means. What is their relation?

• Exercise 2:

• Question 2: Compare the Mean of the theoretical distribution of the X variable and that of the Mean of the distribution of the (the distribution of the M). These are theoretical means. What is their relation?

• Exercise 3:

• Question 3: Compare the Mean of the theoretical distribution of the X variable and that of the Mean of the distribution of the (the distribution of the M). These are theoretical means. What is their relation?

• Exercise 4:

• Question 4: Compare the Mean of the theoretical distribution of the X variable and that of the Mean of the distribution of the (the distribution of the M). These are theoretical means. What is their relation?

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