To determine the class interval
A) Divide the class frequencies in half.
B) Divide the class frequency by the number of observations.
C) Find the difference between consecutive lower class limits.
D) Count the number of observations in the class
Answer: C) Find the difference between consecutive lower class limits.
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Refer to the figure below.________ inflation will eventually move the economy pictured in the diagram from short-run equilibrium at point ________ to long-run equilibrium at point ________. 
A. Rising; A B. Falling; A; C C. Falling; B: C D. Rising; A; C
In the above figure, the short-run aggregate supply curve is SAS1. If the money wage rate increases, there is
A) an upward movement along SAS1. B) a downward movement along SAS1. C) a shift to SAS0. D) a shift to SAS2.
Based on the expectations-augmented Phillips curve, if the natural rate of unemployment is 0.06, and if the actual inflation rate exceeds the expected inflation rate, then the unemployment rate is
A. 0.06 plus 0.5 times the difference between actual and expected inflation. B. less than 0.06. C. 0.06. D. more than 0.06.
Refer to the information provided in Table 13.1 below to answer the question(s) that follow. Table 13.1Price ($)Quantity4.002,0003.502,4003.002,8002.503,2002.003,6001.504,0001.004,400Refer to Table 13.1. If a monopoly faces the demand schedule given in the table, what is its marginal revenue from the 4,000th unit it sells?
A. -$3 B. $1.50 C. $3 D. $1,200