Problem 4. You are curious whether there is any relationship between the total rainfall in a year, and the number of accidents that occur that year. You collect the following data over six years in your city: Accidents Annual rainfall (in) 0 26.3 1 34.1 5 23.2 15 19.0 70 27.9 342 31.0 (a) What are the dependent and independent variables in this case? (b) What is the best-fit linear regression model for this data? (c) What is the R value?