Answer:
This is an example of: <u>a sample survey.</u>
Explanation:
In the experiment to determine the effect of sleep deprivation on the ability of the student to concentrate definitely needs an experimental setup rather than a randomized data collection.
<em>Do to the fact that, the experimental used a small sample sized area (Students in a calculus class) to test his hypothesis shows that the setup is a sample survey. </em>
<u>This sample survey result could be extrapolated to the whoe region (the classes in the school or whole school ) to determine if there was a major significance between the two variables.</u>
Answer:
I am quite sure it is B
Explanation:
Fertile farmland I think was wrong for me so the only other one that made sense was B sorry if im
wrong
Answer: The correct answer is : zero ; the rate of technological progress
Explanation: In the Solow growth model with population growth and technological change, the steady-state growth rate of income per person depends on the rate of technological progress. According to the Solow model, persistently rising living standards can only be explained by technological progress.
We are living social group. different kind of society and people