Question

The data in the table is the number of absences for 7 students and their corresponding grade. Number of Absences 3 Grade 3.9 34 3.3 3.3 2.7 2.6 2.1 2 Table Copy Data Step 1 of 5: Calculate the sum of squared errors (SSE). Use the values bo = 3.9178 and b, = -0.2787 for the calculations. Round your answer to three decimal places. Tables Keypad Answer How to enter your answer Summation table x2 y2 Student 1 1 3.9 3.9 15.21 10.89 10.89 27819 7.29 Student 2 2 Student 3 3 Student 4 3 Student 5 4 Student 6 7 Student 7 7 3.3 3.3 2.7 2.6 2.1 2.0 16 6.76 49 4.41 14.7 14.0 49 4.00 Sum 27 19.9 67.6 137 59.45

Answer 1

Sum of squared errors (SSE)= Ily; - ;) Where j = bot bi x; Given to 3.9178 b = - 0.2 Ji - 3.9178 - 0-2787R; tor- x = 1 - 7 = 3.9178 - 10.27 37x1) 36391 N2 2-7= 3.9173- (0.27 87 x 2) 3.3.604. N 3=379 3 = 3.9178-10-2787x3) : 3.0317 Hy =39:- ģy = 3.978 - 10-2487*43) • X69353 30817 25 -4 9g 3.9278-10-2989x B4 -- HEMS 2803 6-74-4 = 3-9178-1002780 x 47 - 1.9t69. Na-7- 97 - 3.9178 - (0.2487x7) 1.9669.

SSE= (3.9-3.6391)2 + (3.3 -3.360472 +(3-3-3,0819)?+ ( 2.7 - 3.0319)2 +(2.6-2.803)2+(2.1-1.966972 it (2.0– 1.966992. - SSE- 0.32508 F0.3251