Chapter 8 Formulas and Vocabulary

• Confidence interval (p. 430)
• Confidence level (p. 430)
• Margin of error for the interval for (p. 433).
  

• point estimate (p. 428)
• point estimation (p. 428)
• Sample size for estimating the population mean (p. 440).
  

• interval for (p. 431).
  

• Degrees of freedom (p. 449)
• Margin of error for the interval for (p. 454).
  

• Distribution (p. 449)
• Distribution characteristics (p. 450)
• interval for (p. 451).
  

• Central limit theorem for proportions (p. 464)
• Margin of error for the interval for (p. 466).
  

• Sample size for estimating a population proportion when is known (p. 468).
  

• Sample size for estimating a population proportion when is not known (p. 468).
  

• interval for (p. 464).
  

• (chi square) distribution properties (p. 474)
• Confidence interval for the population standard deviation (p. 477).
  

• Confidence interval for the population variance (p. 476).