Question

In: Math

The following data give the number of hours 10 students spent studying and their corresponding grades on their midterm exams

The following data give the number of hours 10 students spent studying and their corresponding grades on their midterm exams

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Step 1 of 5:

Calculate the sum of squared errors (SSE). Use the values b0=58.4077b0=58.4077 and b1=6.6860b1=6.6860 for the calculations. Round your answer to three decimal places.

Step 2 of 5:

Calculate the estimated variance of errors, s2ese2. Round your answer to three decimal places.

Step 3 of 5:

Calculate the estimated variance of slope, s2b1sb12. Round your answer to three decimal places.

Step 4 of 5:

Construct the 80% confidence interval for the slope. Round your answers to three decimal places.

Lower:

Upper:

Step 5 of 5:

Construct the 99% confidence interval for the slope. Round your answers to three decimal places.

Lower:

Upper:


Solutions

Expert Solution

Step 1 of 5: SSE =83.807

Step 2 of 5 : estimated variance of errors =10.476

Step 3 of 5: estimated variance of slope =0.264

Step 4 of 5:

lower =5.969

upper =7.403

Step 5 of 5:

lower =4.963

upper =8.409


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