Chapter 11. Sampling Distributions and Interval Estimation

CHAPTER OUTLINE

11.1 Sampling Distributions

11.2 Basic Concepts of Confidence Intervals

11.3 Confidence Interval Estimate for the Mean (σ unknown)

11.4 Prediction Interval Estimate for an Individual Value

11.5 Confidence Interval Estimate for the Proportion

Appendix 11.1 Using Minitab for Confidence Intervals

LEARNING OBJECTIVES

After reading this chapter, you will be able to:

  • Understand the concept of a sampling distribution

  • Understand the concept of a confidence interval

  • Obtain confidence interval estimates for the mean and the proportion

  • Obtain a prediction interval for a forecasted value

  • Understand the difference between a confidence interval and a prediction interval

INTRODUCTION

In Chapter 9, the ...

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