Which of the following is CORRECT about a time-series graph?
I. The x-axis measures time.
II. A time-series graph can reveal if there is a trend in the variable.
A) only I
B) only II
C) both I and II
D) neither I nor II
C
You might also like to view...
Which types of workers are most likely to favor lowering trade barriers in the United States?
What will be an ideal response?
The United States dollar has NOT been officially convertible to gold by international traders since
A) 1930. B) 1944. C) 1971. D) 1995.
Which of the following will not change the demand for office visits to the physician?
a. unusually cold and damp weather during the winter. b. a change in the price of an office visit. c. layoffs at the local plant causing a decrease in the number of people with health insurance in the community. d. television advertising by drug manufacturers to promote a new over-the-counter influenza treatment. e. they all change the demand for office visits.
If a firm sells 50 units of output at $9 per unit and 60 units of output when price is reduced to $8, its marginal revenue from selling the sixth unit is
A. $30. B. $450. C. $10. D. $480.