Chapter 2 Excercises Problem 1

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Chapter 2 Excercises Problem 1

(Dataset: World. Variables: Women13, Country.) What percentage of members of the U.S. House of Representatives are women? In 2013 the number was 17.8 percent, according to the Inter-Parliamentary Union, an international organization of parliaments.5 How does the United States compare to other democratic countries? Is 17.8 percent comparatively low, comparatively high, or average for a typical national legislature?
World contains Women13, the percentage of women in the lower house of the legislature in each of 90 democracies. Perform a frequencies analysis on Women13. In Statistics, obtain the mean and the median. In Charts, Chart Type, select Histogram. In the main Frequencies window, make sure that the Display frequency tables box is checked.

  1. The mean of Women13 is equal to (fill in the blank) . The median is equal to ___.
  2. Analysts generally prefer to use the mean to summarize a variable’s central tendency, except in cases where the mean gives a misleading indication of the true center of the distribution. Make a considered judgment. For Women13, can the mean be used, or should the median be
    used instead? (circle your answer)
  3. Recall that 17.8 percent of U.S. House members are women. Suppose a women’s advocacy organization vows to support female congressional candidates so that the U.S. House might someday “be ranked among the top one-fourth of democracies in the percentage of female
    members.” According to the frequencies analysis, to meet this goal, women would need to constitute what percentage of the House? (circle one)
    About 21 percent About 25 percent About 28 percent
  1. Print the histogram. Basing your answer on the shape of the histogram, would you say that Women13 has a negative skew or a positive skew? (circle your answer)
  2. Run Analyze → Reports → Case Summaries. Click Country into the Variables box and Women13 into the Grouping Variable(s) box. Make sure to uncheck the box next to Limit cases to first 100. Examine the output. Which five countries have the lowest percentages of women in their legislatures?
    1._____ 2. _____ 3._____ 4._____ 5._____
    Which five countries have the highest percentages of women in their legislatures?
    1._____ 2. _____ 3. _____ 4._____ 5._____

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