# TWO GROUPS OR ONE? Situations comparing two proportions are described. In each case, determine whether the situation involves comparing proportions fo

TWO GROUPS OR ONE? Situations comparing two proportions are described. In each case, determine whether the situation involves comparing proportions for two groups or comparing two proportions from the same group. State whether the methods of this section apply to the difference in proportions. (c) Compare the graduation rate (proportion to graduate) of students on an athletic scholarship to the graduation rate of students who are not on an athletic scholarship. This situation involves comparing: 1 group or 2 groups? Do the methods of this section apply to the difference in proportions? Yes or No
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Full and correct solution: c) Here we have two groups. On group consists of students who are on an athletic scholarship and the other group consists of students who are not on an athletic scholarship. Hence the given situation involves comparing 2 groups. Yes we can apply difference in proportions here because two proportions are being compared.