The data in the table is the number of absences for 77 students and their corresponding...

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The data in the table is the number of absences for 77 studentsand their corresponding grade.
Number of Absences 33 55 66 66 66 77 88
Grade 3.93.9 3.83.8 2.92.9 2.72.7 2.42.4 2.32.3 1.91.9
Step 1 of 5 : Calculate the sum of squared errors (SSE). Use thevalues b0=5.4276b0=5.4276 and b1=âˆ’0.4413b1=âˆ’0.4413 for thecalculations. Round your answer to three decimal places.
step2: Calculate the estimated variance of errors, se2. Roundyour answer to three decimal places.
step3 : Calculate the estimated variance of slope, sb12. Roundyour answer to three decimal places.
step 4: Construct the 90%confidence interval for the slope.Round your answers to three decimal places.
step 5: Construct the 80% confidence interval for the slope.Round your answers to three decimal places.

Number of Absences	33	55	66	66	66	77	88
Grade	3.93.9	3.83.8	2.92.9	2.72.7	2.42.4	2.32.3	1.91.9

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4.3 Ratings (585 Votes)

step 1 x y xx Y5427604413 x residualeiyyhat YY 3 39 816 4104 0204 004 5 38 073 3221 0579 034 6 29 002 2780 0120 001 6 27 002 2780 0080 001 6 24 002 2780 0380 014 7 23 131 2338 0038 000 8 19 459 1897 See Answer

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