13.1 - Save & Exit Certify Lesson: 13.1 The Simple Linear Regression...Question 1 of 7, Step 1 of 2The following table shows students' test scores on the first two tests in an introductory chemistry class.Answer8.0BusFirsttest, xSecondtest, yⒸ2023 Hawkes Learning0/10Correct58 44y =Chemistry Test Scores71 82 92 48 42Copy DataStep 1 of 2: Find an equation of the least-squares regression line. Round your answer to three decimal places, if necessary.59 92 88 66 8463 41 56 77 81 47 32 59 76 7676 52 62e tvMacBook AirpxRAINI CONLANTablesKeypadKeyboard ShortcutsSubmit Answer2zoomcricut

Simple linear regression is prediction method. It uses the value of one variable when the value of the other variable is known. In linear regression the correlation coefficient between the variables is close to the one as there should be linear relationship between variables.The variables under study are first test score second test scoreThe calculation table,XY(X-meanX)^2(X-meanX)*(Y-meanY)5863117.3611-30.69444441616.6944475.972271564.694444-9.027788277173.3611221.63899281536.6944482.63894847434.0278274.30564232720.0278755.8056595996.6944411.472229276536.6944366.80568876367.3611303.472266528.02777823.138898462230.027827.80556Total8267223841.6672903.333The regression model isThe coefficient of the regression is estimated asthe fitted regression model isThe least square regression line is