I really need help with this A S A P !

The regional transit authority for a major metropolitan area wants to determine whether there is any relationship between the age of a bus and the annual maintenance cost. A sample of 10 buses resulted in the following data. Click on the datale logo to reference the data. DATA [ii I c Age of Bus (years) Mdntenlnce Cm! ($) 350 370 480 520 590 550 750 . 79o uuhthNNN a. Develop the least squares estimated regression equation (to 4 decimals, if necessary). 3; = + Age b. Test to see whether the two variables are signicantly related with a = .05. - Select your answer - v c. Did the least squares line provide a good fit to the observed data? - Select your answer - v d. Develop a 95% prediction interval for the maintenance cost for a specic bus that is 4 years old (to 1 decimal). t0