linear regression %7B(1%2C log(200))%2C (2%2C log(302))%2C (3%2C log(420))%2C (4%2C log(528))%2C (5%2C log(648))%2C (6%2C log(780))%2C (7%2C log(1140))%2C (8%2C log(1560))%7D