Null Hypothesis- There is no relationship between the price and mpg of a vehicle.

Alternative Hypothesis- There will be a positive upward sloping relationship between (y) price and (x) mpg.

How do I write the Null and Alternative hypothesis in math format, this is a linear regression analysis between mpg and price of a vehicle.

Linear regression was used to compare the 2 variables to determine if there is a positive or negative relationship between mpg and price of a vehicle. Write the statistical model in equation form.