A. Yes -- Aricka drew the line correctly because the line is decreasing with data points above and below the trend line.
Explanation:
This is what is known as having a line of best fit. The data points should <em>at least</em> <em>nearly</em> be evenly distributed on both sides of the line for it to be a good line of best fit. You should also make sure that you have at least a few points TOUCHING the line. This is a majour part of having a line of best fit.
