Please explain in your own words about linear regression and write down the equation of a straight line and also mention how you find the slope and intercept values from it. Also, please explain the significance of slope and intercept values. If the slope values are 2, 0.3, 0.5, 7, and 9, what information can you extract from it in relation to the X and Y quantities? (X is the horizontal axis and Y is the vertical axis).