When estimating a population mean and the When estimating the between two difference population standard deviation is (RARE) population means and the population standard known deviations are (RARE) known Note: The true name of this procedure and the calculator name are slightly different. Know both! When estimating a population mean and the When estimating the between two difference population standard deviation is NOT known population means and the population standard deviations are known NOT Note: The true name of this procedure and the both! calculator name are slightly different. Know 3. Know the essentials of the t-distribution When do we use it? How do we calculate the of a t-distribution? degrees of freedom 4. Know the of statistical inference (in this case, creating a confidence interval) four-step process 1. 2. 3. 4. 5. Know how to check conditions What conditions must you check, and where in the study guide can you look to find them?
When estimating a population mean and the population standard deviation is known (RARE) Note: The true name of this procedure and the calculator name are slightly different. Know both! When estimating the difference between two population means and the population standard deviations are known (RARE) When estimating a population mean and the population standard deviation is NOT known Note: The true name of this procedure and the calculator name are slightly different. Know both! When estimating the difference between two population means and the population standard deviations are NOT known 3. Know the essentials of the t-distribution When do we use it? How do we calculate the degrees of freedom of a t-distribution? 4. Know the four-step process of statistical inference (in this case, creating a confidence interval) 1. 2. 3. 4. 5. Know how to check conditions What conditions must you check, and where in the study guide can you look to find them?
ap_statistics_review.docx