Also, check whether the methods of the section apply to the difference in proportions.

b) Explain whether the situation involves comparing proportions for two groups or comparing two proportions from the same group. Also, check whether the methods of the section apply to the difference in proportions.

c) Explain whether the situation involves comparing proportions for two groups or comparing two proportions from the same group. Also, check whether the methods of the section apply to the difference in proportions.

d) Explain whether the situation involves comparing proportions for two groups or comparing two proportions from the same group. Also, check whether the methods of the section apply to the difference in proportions.