Chapter 9- Learning objectives Explain the difference between a point and an interval estimate Construct and interpret confidence intervals. with a z for the population mean or proportion with a t for the population mean Determine appropriate sample size to achieve specified levels of accuracy and confidence C 2002 The Wadsworth g
Chapter 11-Learning Objectives Select and use the appropriate hypothesis test in comparing Means of two independent samples Means of two dependent samples Proportions of two independent samples Variances of two independent samples Construct and interpret the appropriate confidence interval for differences in Means of two independent samples