The heights (in inches) and weights (in pounds) of a sample of five women are recorded. (Round your answers to one decimal place.) x = height y = weight 66 123 67 132 69 152 68 137 65 125 (a) Calculate the slope b1 and the y-intercept be of the regression line. Write the regression equation. r = :1 x + :1 (b) Interpret the values for D1 and on. For each increase of 1 inch, the estimated weight increases by :J pounds. When x = 0 inches, the estimated weight is S pounds. 7. [-11 Points] DETAILS OSINTROBUSSTAT1 13.6.507.XP. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER An electronics retailer used regression to find a simple model to predict sales growth in the rst quarter of the new year (January through March). The model is good for 90 days, where x is the day. The mode! can be written as follows: 1? = 103.38 + 2.45x where j? is in thousands of dollars. What would you predict the sales to be on day 30? {Enter an exact number as an integer, fraction, or decimal.) :J thousand dollars 1. Additional Materials [El eBook 8. [-14 Points] DETAILS LAROSESTAT3 4.2.034. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Consider the following data. x = days absent y = course grade 0 95 2 90 4 85 6 70 0 an