Chapter 11 Formulas and Vocabulary

• Conditions for performing a goodness of fit test (p. 636)
• ${\chi }^2$ Goodness of fit test (p. 634)
• Multinomial random variable (p. 632)
• Test statistic for the goodness of fit test (p. 635).
  

  ${\chi }_{\text{data}}^2=\sum \frac{{\left(O_i-E_i\right)}^2}{E_i}$

• ${\chi }^2$ test for independence (p. 647)
• Conditions for performing both the test for independence and the test for the homogeneity of proportions (p. 648)
• Test for the homogeneity of proportions (p. 651)
• Test statistic for both the test for independence and the test for the homogeneity of proportions (p. 648).
  

  ${\chi }_{\text{data}}^2=\sum \frac{{\left(O_i-E_i\right)}^2}{E_i}$