Trying hard should make average people better not just because they are learning science although learning science may inspire people to do better.
science cannot answer questions about what people should do
There are some German people that are better than average intelligence just as there are better than average intelligent people in most countries. As a race of people, Germans are not considered the most intelligent.
Homework helps you to learn science and remember what you've learned better.
You should have learned that other people, who do not know you, cannot work out from a distance, what you learned in science.
average is about 1530. so yes. 1890 is better than the mean average of all people who took the test.
Better than average psychology people.
Science has indeed stated that people should not smoke. There is no uncertainty about it.
Ray Bradbury felt that science fiction was the only literature that dealt with how people should or should not handle technology and that everyone should read it.
People who study life science are called biologists. They investigate living organisms, their interactions, and their environments to better understand biological processes.
Some people, when they get scientific reason they understand it better and then it helps them to be influenced.
Its hard to give a final statement on which is better the science or commerce. The thing is people have different minds, commerce has its own value it helps to manage businesses whcih could be sciences like pharma business reqiuers scientists to prepare medicines but the people who regulates the business are from the commerce field. Religiously science is better and the best, because Allah tells you to look upon what He has created, find what He has hidden and to utilize the blessings of science.
It really depends on your interests and ambitions. Many people say that people who take science stream have a better future, but that's not 100% true! Most businessmen and businesswomen take arts stream, and they excel in what they do. Even accountants can be rich, but you don't study science stream for it.