Note Remaning question in screen shot

Question A business student in United States collects a random sample of 100 recently sold used cars of

the same brand and model, Audi model A3. The data set contains the following variables:

PRICE The final price of the sold car, in USD

MILAGE The number of miles (1 mile = 1.609 km) that the used car had been driven before

it was sold

AGE The age of the car, in years

MANUAL A dummy variable, 1 means manual transmission, 0 means automatic

transmission