Chapter 9 Confidence Intervals Suppose we wanted to estimate the proportion of blue candies in a VERY large bowl. How might we go about estimating this proportion? We could…

Lecture 2 Affects measurement’s precision Can be minimized and controlled, but NEVER ELIMINATED! Due to small and uncontrollable variables, which are usually not even known…

Chapter 5 Sampling Distributions The Concept of Sampling Distributions Parameter – numerical descriptive measure of a population. It is usually unknown Sample Statistic…

Calculating Statistical Information Statistics and parameters To find out about a population we take a sample Statistics describe features of the sample What statistics do…

Statistics for Managers Using Microsoft Excel, 5ed Chapter 8: Confidence Interval Estimation Solutions to End-of-Section and Chapter Review Problems CHAPTER 8 8.1 = 83.04…