Consumer Reports provided extensive testing and ratings for $24$ treadmills. An overall score, based primarily on ease of use, ergonomics, exercise range, and quality, was developed for each treadmill tested. In general, a higher overall score indicates better performance. The following data $($Excel file available in Connect $$Lab assignment $5$ folder$)$ contains data on the price, overall score, and quality rating for the $24$ treadmills $($Consumer Reports, February $2006)$