Refer to the Graph Shown

question 58

Multiple Choice

Refer to the graph shown. The graph demonstrates Saudi Arabia's and the United States' production possibility curves for widgets and wadgets. Given these production possibility curves, you would suggest that:

• A) Saudi Arabia specialize in widgets and the United States in wadgets.
• B) No trade should take place.
• C) Saudi Arabia specialize in wadgets and the United States in widgets.
• D) Both countries should produce an equal amount of each.

Apply the normal approximation for large sample sizes in non-parametric tests.

Identify the conditions under which the Kruskal-Wallis test is appropriate for comparing more than two independent samples.

Understand how to rank data and deal with ties in non-parametric tests.

Appreciate the importance of study design in selecting appropriate statistical tests.