Chapter 7. Confidence Intervals

  • 7.1 Introduction 160

  • 7.2 Point Estimates of Mean and Standard Deviation 160

    • 7.2.1 What Is a Point Estimate? 161

    • 7.2.2 Parameters and Estimates 162

    • 7.2.3 Standard Error of Estimate 164

  • 7.3 Confidence Intervals for Mean and Standard Deviation 165

    • 7.3.1 What Is a Confidence Interval? 166

    • 7.3.2 (1-α)100% Confidence Level 167

  • 7.4 Detail Example: Package Delivery Times of Herbal Teas 169

  • 7.5 JMP Analysis of Herbal Tea Package Delivery Times 170

    • 7.5.1 Confidence Intervals for Mean and Standard Deviation 171

  • 7.6 Prediction and Tolerance Intervals 174

    • 7.6.1 Prediction Intervals 174

    • 7.6.2 Tolerance Intervals 178

  • 7.7 Summary 180

  • 7.8 Problems 181

  • 7.9 References 183

7.1 Introduction

Statistical inference is a method for drawing conclusions about ...

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