28. The equation Weight: -'l 45 + 4.5 Height is used to associate the Weight and height of members ofa Math class. Calculate the residual for [70. 159). 3. ~11 b. 570.5 c. 170 d. 11 29. The New York State average for the price of gasoline for 2001 through 2004 is given in the table. Assuming the data meets the condition of linear regression, nd the model "based on the data if We are interested in how the price is changing. nun a. Year = 1.259 + 0.0834 Price / gal b. Price} gal = 44.483 +11.57 Year C. Price I get =1.259 + 00834 Year d. Year 2 1 4.483 +1157 Price / gal 30. Sally created the following model using data taken from an experiment in her laboratory. Number of Bacteria = 34, 219 + 532.1 Hours. Describe what a positive residual means in this context. a. The model predicted more bacteria than there actually were observed. b. The number of bacteria predicted took more hours. c. The model predicted fewer hours to nd the right number of bacteria. d. The model predicted fewer bacteria than there actually were observed. 31. For the equation )7 =5 +35.2x, nd the value of )7 when x = 18 and then nd the residual for (1 8. 700). a. 628.6; 71.4 b. 628.6: -71.4 c. 638.6; 61.4 d. 638.6; -61.4 Unit 2 Evaluation