Answer:
The answer is D. push ups
In an natural observational study investigators
observe subjects and measure variables
of interest without assigning treatments to
the subjects
In an experimental study (inferential stat), data are used to make generalizations about a population based on a sample.
Hence the 1st question is an experimental.
Answer:
International business encompasses all commercial activities that take place to promote the transfer of goods, services, resources, people, ideas, and technologies across national borders. ... International trade is the exchange of capital, goods, and services across international borders or territories.
