The table lists the averago monthly cost to workers for family health irsurance for various years. a) Use a graphing calculator to fit a regression line to the data. b) Predict the awerage monthly cost to workers for family health insurance in 2016, and compare the value with $426,98, which is oblained using the points (1,335) and (4,381). c) Find the corrolation coefficient for the regression line, and determine whether the line fits the data dosely. a) The finear equation of the regression line that best modets the data is y=x+ (Round to the nearest hundredth as neoded.)