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X Take a Test - Staline luaka - Google Chrome mathxl.com/Student/PlayerTest.aspx?testld=233001857¢erwin=yes Staline luaka & | 09/22/21 9:55 PM MAT152-N844 FA21 =Quiz: Quiz - Chapter 4 Question 2 This Quiz: 9 pts possible Submit Quiz Suppose a doctor measures the height, x, and head circumference, y, of 11 children and obtains the data below. The correlation coefficient is 0.903 and the least squares regression line is y = 0.265x + 10.210. Complete parts (a) and (b) below. Height, x 27.75 25.25 26.5 25.75 27.25 26.25 26.25 27 27.25 26.75 26.75 Head Circumference, y 17.5 17.0 17.2 16.9 17.6 17.1 17.2 17.3 17.4 17:4 17.3 (a) Compute the coefficient of determination, R2 R2 = % (Round to one decimal place as needed.) (b) Interpret the coefficient of determination. Approximately % of the variation in is explained by the least-squares regression model. (Round to one decimal place as needed.) Next Type here to search O