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

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Statistics

The data in the table is the number of absences for 77 studentsand their corresponding grade.

Number of Absences33556666667788
Grade3.93.93.83.82.92.92.72.72.42.42.32.31.91.9

Step 1 of 5 : Calculate the sum of squared errors (SSE). Use thevalues b0=5.4276b0=5.4276 and b1=−0.4413b1=−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.

Answer & Explanation Solved by verified expert
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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