scientific calculator – Google Search MyDelta Portal Chapter E MAT2323 001 (MSVCC) Assignments Chapter 9 Fall…
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Question “scientific calculator – Google Search MyDelta Portal Chapter E MAT2323 001 (MSVCC) Assignments Chapter 9 Fall…”
scientific calculator – Google Search MyDelta Portal Chapter E MAT2323 001 (MSVCC) Assignments Chapter 9 Fall 2019 online Chapter 9 Home Modules Statistics Online Fall 2019 MyLab and Master- ing Save NetTutor Homework: Chapter 9 Score: 0.25 of 1 pt + 8 of 9 (8 complete) 9.3.12-T HW Score: 67.06%, 6.04 of 9… Grades Question Help Quizzes Bookshelf Smarter Proctoring The table shows the total square footage (in billions) of retailing space at shopping centers and their sales in billions of dollars) for 10 years. The equation of the regression line is y 515.293x – 1685.037. Complete parts and Total Square 4.9 5.1 5.2 5.4 5.5 5.7 5.8 5.9 15962 Footage, Sales, y 1892.4943.998161069.1 1114 2 12128 1275.7 1334 61447.815278 (b) Find the standard error of estimates, and interpret the result. Policies and Informa- tion Student Profile (Round the final answer to three decimal places as needed. Round all intermediate values to four decimal place needed.) Enrollment Tool Enter your answer in the answer box and then click Check Answer. Check Answer Clear All part remaining
Answer
Y
X
(Xi – )
(Yi – )
(Xi – )2
(Yi – )2
(Yi – )2
892.4
4.9
-0.66
-287.59
0.4356
82708.0081
843.14909
2425.6521
943.9
5.1
-0.46
-236.09
0.2116
55738.4881
945.2221
1.7479
981.6
5.2
-0.36
-198.39
0.1296
39358.5921
996.2586
214.8746
1069.1
5.4
-0.16
-110.89
0.0256
12296.5921
1098.3316
854.4864
1114.2
5.5
-0.06
-65.79
0.0036
4328.3241
1149.3681
1236.7952
1212.8
5.7
0.14
32.81
0.0196
1076.4961
1251.4412
1493.1423
1275.7
5.8
0.24
95.71
0.0576
9160.4041
1302.4777
717.0452
1334.6
5.9
0.34
154.61
0.1156
23904.2521
1353.5142
357.7469
1447.8
5.9
0.34
267.81
0.1156
71722.1961
1353.5142
8889.8121
1527.8
6.2
0.64
347.81
0.4096
120971.761
1506.6237
448.4357
11799.9
55.6
–
–
1.524
421262.149
–
16639.7384
= 11799.9/10 = 1179.99
= 55.6/10 = 5.56
Our assumption model is,
Y = x
Where is?
= 777.7964 /1.524 = 510.3651
=
= 1179.99-5.56*510.3651 = -1657.6399
We are aware
Now,
= 45.6067
The standard error of estimation is now,
= 205.911
= 36.943
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S(X; – X) (U, – U) S(X, – X)2
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Y – A1X
1.1 SE(Bo) = o (-+ Vin X2 * ) Sri
SE(B1) =
A-80C = 0
SE(B) = 45.6067*11 5.562 + * V 10 * 1.524
SE(B1) = 45.6067 V1.524
Conclusion
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