JMP® Means Business: Statistical Models for Management

Chapter 8. Hypothesis Tests for a Single Variable Y

• 8.1 Introduction to Hypothesis Testing 186

  • 8.1.1 Accept or Reject Decisions for the Mean: H₀ versus H_A 186

  • 8.1.2 Significance Level a 190

  • 8.1.3 Test Statistic 191

  • 8.1.4 p-Value 191

  • 8.1.5 Decision Rule to Accept or Reject H₀ 192

  • 8.1.6 Example: Order Processing Times 192

  • 8.1.7 Test Statistic, Significance Level, Critical Value, and p-Value 198

  • 8.1.8 Example: Order Processing with JMP 200

  • 8.1.9 Confidence Intervals and Two-Sided Hypothesis Testing 202

• 8.2 Sample Size Needed to Test H₀: Mean = Mean₀ versus H_A: Mean = Mean_A 203

  • 8.2.1 Introduction 203

  • 8.2.2 Example: Sample Size Calculations for Mama Mia's Pizza Parlor 205

  • 8.2.3 Sample Size in JMP 206

  • 8.2.4 Approximate Formulas for Sample Size 208

  • 8.2.5 Power Curves ...