Question

The following data give the number of hours 7 students spent studying and their corresponding grades on their midterm exams.

Hours Studying | 0.5 | 0.5 | 1 | 2 | 2 | 2.5 | 4 |
---|---|---|---|---|---|---|---|

Grades | 66 | 78 | 78 | 86 | 90 | 95 | 99 |

Step 1 of 5: Calculate the sum of squared errors (SSE). Use the values b0=69.7311 and b1=8.3106 for the calculations. Round your answer to three decimal places.

Step 2 of 5: Calculate the estimated variance of errors. Round your answer to three decimal places.

Step 3 of 5: Calculate the estimated variance of slope. Round your answer to three decimal places.

Step 4 of 5: Construct the 99% confidence interval for the slope. Round your answers to three decimal places.

Step 5 of 5: Construct the 95% confidence interval for the slope. Round your answers to three decimal places.

Answer #1

The following data give the number of hours 5 students spent
studying and their corresponding grades on their midterm exams.
Hours Studying
0
1
1
5
5
Midterm Grades
64
66
70
91
91
Step 1 of 5: Calculate the sum of squared errors (SSE). Use the
values b0=63.0344 and b1=5.5690 for the calculations. Round your
answer to three decimal places.
Step 2 of 5: Calculate the estimated variance of errors, se2.
Round your answer to three decimal places.
Step...

The following data give the number of hours 5 students spent
studying and their corresponding grades on their midterm exams.
Hours Studying Grades
3 66
5 79
5 90
5 91
5 93
Step 1 of 5: Calculate the sum of squared errors (SSE). Use the
values b0=32.6250 and b1=11.1250 for the calculations. Round your
answer to three decimal places.
Step 2 of 5: Calculate the estimated variance of errors, s^2e.
Round your answer to three decimal places.
Step 3...

The following data give the number of hours 1010 students spent
studying and their corresponding grades on their midterm exams.
Hours Studying
00
0.50.5
0.50.5
11
1.51.5
1.51.5
1.51.5
22
22
4.54.5
Midterm Grades
6868
7171
7575
7777
8282
8282
9191
9393
9999
100100
Table
Copy Data
Step 1 of 5:
Calculate the sum of squared errors (SSE). Use the values
b0=72.0679b0=72.0679 and b1=7.8214b1=7.8214 for the calculations.
Round your answer to three decimal places.
Step 2 of 5:
Calculate the...

The following data give the number of hours 5 students spent
studying and their corresponding grades on their midterm exams.
Hours Studying
1
1
1
2
5
Midterm Grades
85
86
91
96
100
Step 4 of 5: Construct the 95% confidence
interval for the slope. Round your answers to three decimal
places.
Step 5 of 5: Construct the 99% confidence
interval for the slope. Round your answers to three decimal
places.
I got help with steps 1-3 already, if...

The following data give the number of hours 1010 students spent
studying and their corresponding grades on their midterm exams.
Hours Studying
0
1.5
2
2.5
5
5
5
5
5.5
6
Midterm Grades
63
68
69
73
76
80
86
91
93
98
Step 1 of 5: Calculate the sum of squared errors (SSE). Use the
values b0=60.2000 and b1=5.2000 for the calculations. Round your
answer to three decimal places.
Step 2 of 5: Calculate the estimated variance of...

The following data give the number of hours 55 students spent
studying and their corresponding grades
Hours Studying
33
33
44
55
55
Grades
72
74
74
75
79
Step 1 of 5: Calculate the sum of squared errors (SSE). Use the
values b0=66.8000 and b1=2.0000 for the calculations. Round your
answer to three decimal places.
Step 2 of 5: Calculate the estimated variance of errors, s^2e.
Round your answer to three decimal places.
Step 3 of 5: Calculate the...

The following data give the number of hours 5 students spent
studying and their corresponding grades on their midterm exams.
Hours Studying 2 4 5 5 6 Midterm Grades 77 78 80 83 95 Table
Step 3 of 5 : Calculate the estimated variance of slope, s2b1.
Round your answer to three decimal places.

The following data give the number of hours 5 students spent
studying and their corresponding grades on their midterm exams.
Hours Studying 2 4 5 5 6 Midterm Grades 77 78 80 83 95 Table
Step 5 of 5 : Construct the 90% confidence interval for the
slope. Round your answers to three decimal places.

The following data give the number of hours 5 students spent
studying and their corresponding grades on their mid term
exams.
Hours Studying
1
1
1
6
6
Mid term Grades
73
73
74
85
91
Table
Copy Data
Step 4 of 5 :
Construct the 95% confidence interval for the slope. Round your
answers to three decimal places.

The following data give the number of hours 5 students spent
studying and their corresponding grades on their midterm exams.
Hours studying: 3, 5, 5, 5, 5
Midterm grades: 66, 79, 90, 91, 93
step 5: construct the 90% confidence interval for the slope

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