Natural Resources Canada measures fuel efficiency and other characteristics of vehicles. The data file called canfuel gives data for 1045 model-year 2018 conventional vehicles. Variables include city and highway fuel efficiency measured in miles per imperial gallon (MPGCity and MPGHwy). Click to download the data in your preferred format. The dataset is not available in TI format due to the nature of the data. CSV Excel JMP Mac-Text Minitab PC-Text R SPSS CrunchIt! Let's examine the relationship between the two measures of fuel efficiency in the data set, highway MPG and city MPG. (a) Use the city MPG to predict the highway MPG. Determine the equation of the least-squares regression line. Give the slope and the intercept of the line. (Use decimal notation. Give your answers to four decimal places.) slope: 1.3478 Incorrect intercept: -.9739 Incorrect