A survey would be the best method for collecting data on: A. changes in a country's population over time.
B. customers' opinions about a new product.
O C. the differences in two countries' average income
D. the average prices of different types of cars.
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The FitnessGram PACER Test is a multistage aerobic capacity test that progressively gets more difficult as it continues. The test is used to measure a student's aerobic capacity as part of the FitnessGram assessment. Students run back and forth as many times as they can, each lap signaled by a beep sound.

Explanation:

B. costumers opinions because serveys are taken on peoples opinions

Health care reform is for the most part governmental policy that affects health care delivery in a given place. Health care reform typically attempts to: Broaden the population that receives health care coverage through either public sector insurance programs or private sector insurance companies