What are some strategies to become a better writer?

1. Practice writing! 2. Read, it will give you a better feel for different writing strategies. 3. Create an outline. Getting your thoughts on paper will give you something to work with before your begin. I can help you with this! :)

Is human behavior better explained by genetics or the environment?

The nature versus nurture question. Here is the simple answer: both are essential. It is not nature OR nurture that explains human behavior, but always a complex interaction of the two.

What is a statistic?

If you are studying statistics (plural) you first have to be familiar with the singular - a "statistic". Above all the numbers and theory, a "statistic" is a function of your data. Essentially, it is a number that conveys information. These numbers have mathematical properties that allow us to generalize the given information (from a sample) to a larger body (the population).