stats work please help

3. Refer to Table 3 to answer the questions below and show relevant calculations (5 questions x 5% each = 25%) Table 3. Gas mileage (mpg) and price of a select number of foreign made cars sold in the U.S. in 1978 Make mpg price (in $1,000s) Audi 5000 17 12 Datsun 200 24 Datsun 510 20 Datsun 810 21 Fiat Strada 21 Honda Accord 26 Honda Civic 27 Toyota Celica 19 Toyota Corolla 30 VW Scirocco 25 mean = 23.0 7.0 SD = 4.0 2.0 Source: Auto Enthusiast Magazine a) What is the correlation coefficient (r) between these two variables? b) How much variability in gas mileage (mpg) can be explained by using information about a car's price? c) What is the slope (b) of the regression line? d) What is the y-intercept (a) of the regression line? e) Based on the linear association between x and y, what is the predicted mpg (y) for a car with a price of x = 7