At a basketball camp, the players were randomly divided into different groups. The number of players in each group varied. The assistant manager of the basketball camp drew the scatter plot below to record the number of baskets the different groups of players made in a 5-minute shooting drill. Part A: Explain whether or not the line given in the graph is the line of best fit for the data. If it is not the line of best fit, explain what needs to be done to the line to make it the best line of fit for the data. Part B: Write an equation for the line of best fit.