Chapter 10 Vocabulary Review: The following are some of the vocabulary words that you should know: Standard error Pooled (or combined) sample portion Randomization distribution Two-sample z statistic Two-sample t statistic Pooled estimator Pooled two-sample t statistic Chapter 10 Mathematical Content Review: The following are some of the mathematical pieces you should be able to do: Describe the characteristics of the sampling distribution of . Calculate probabilities using the sampling distribution of . Determine whether the conditions for performing inference are met. Construct and interpret a confidence interval to compare two proportions. Perform a significance test to compare two proportions. Interpret the results of inference procedures in a randomized experiment.