D Question 1 1 pts True or False: The identified point has a positive residual. Tree Height 30 20 12 Trunk Diamet True False D Question 2 2 pts Which residual plot shows that a linear model would be appropriate for the data? . . .* (a (c) O a OCD Question 3 2 pts Which graph shows the residual plot for the same data set? O O O 10 None of these D Question 4 2.5 pts The relationship between x = height of a student (in inches) and y = number of steps required to walk the length of a school hallway, is summarized with the regression line y =113.6-0.921x. For this model, technology gives s = 3.50 and r2 = 0.399. Interpret the value of The actual number of strides required to walk the length of a school hallway is typically about 3.50 more than the number predicted by the least-squares regression line with x = height of a student (in inches). The actual number of strides required to walk the length of a school hallway is typically about 3.50 units away from the number predicted by the least-squat es regression line with x = height of a student (in inches). The actual number of strides required to wa ession line with x = height of a student (in inches). The actual number of strides required to walk the length of a school hallway is always about 3.50 away from the number predicted by the least-squ ares regression line with x = height of a student (in inches). D Question 5 2.5 pts Jackson sent an email to all of his friends. In the email he asked the reader to forward the email to all of their contacts. Each day he documents the total number of people who have received the email. He plotted the points below. He found an increasing convex exponential model that matches his data to be y = 6(2.2) *. Calculate the residual if on day 4 the actual number of emails was 120. (Round to the 3 decimal places)