Refer to the information provided in Scenario 36.3 below to answer the question(s) that follow.SCENARIO 36.3: Consider a local high school that has 300 sophomores considered to be at-risk students. A privately-sponsored after-school sports program has been established to try to help at-risk students succeed in finishing high school. The local government wants to know if this program reduces the students' probability of dropping out of high school before the end of their junior year, and decides to randomly sample 150 of the 300 at-risk sophomores and invite them to attend the after-school program at no cost. 100 students accept the invitation, and by the end of their junior year, the drop-out percentage of the 100 students who attended the program was lower than the drop-out percentage of
the 200 students who did not attend the program. Refer to Scenario 36.3. Based on the information in the scenario, the 100 students who accepted the offer to attend the after-school program is an example of
A. positive correlation.
B. survivor bias.
C. a random sample.
D. selection bias.
Answer: D
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In comparing money to shares of Apple stock, we can say that
A) money is a store of value, but shares of Apple stock are not. B) shares of Apple stock are a store of value, but money is not. C) both money and shares of Apple stock are stores of value. D) neither money nor shares of Apple stock are stores of value.
Mutual interdependence means that
A) all firms are price takers. B) each firm sets its own price based on its anticipated reaction by its competitors. C) all firms collaborate to establish one price. D) all firms are free to enter or leave the market.
As production of a good increases, opportunity costs rise because:
a. there will be more inefficiency. b. people always prefer having more goods. c. of inflationary pressures. d. workers are not equally suited to all tasks.
Why did the United States suspend its preferential trade treatment for Bangladesh in 2013?
a. The United States wanted to collect more tariff revenue on all imports from Bangladesh. b. The United States wanted to punish Bangladesh for its poor labor practices. c. The United States wanted to collect more tariff revenue on imports other than garments from Bangladesh d. The United States wanted to force Bangladesh to join NAFTA.