help

40:45 An educator is interested in the relationship between Based on the residual plot, is the linear model how many hours students spend doing homework and appropriate? the scores earned on exams. He gathers data from 12 students and calculates the least-squares regression No, the residuals are relatively large line to be y = 68.4 + 1.46x, where y is the score on an O No, there is a clear pattern in the residual plot exam and x is the number of hours spent doing Yes, there is no clear pattern in the residual plot homework. The residual plot is shown Yes, about half of the residuals are positive and K half are negative. CO Residual 0 Save and Exit Next Submit