What is the least-squares regression line with the point (9,13) included in the data set? Data Set x y 3 6 4 5 5 7 6 4 7 6 8 9 8 8 10 8 11 9 11 7 12 10 13 12 13 10 14 11
What is the least-squares regression line with the point (9,13) included in the data set? Data Set x y 3 6 4 5 5 7 6 4 7 6 8 9 8 8 10 8 11 9 11 7 12 10 13 12 13 10 14 11
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question
What is the least-squares regression line with the point
(9,13)
included in the data set?|
Data Set
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x
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y
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|---|---|---|---|
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3
|
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6
|
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4
|
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5
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|
5
|
|
7
|
|
|
6
|
|
4
|
|
|
7
|
|
6
|
|
|
8
|
|
9
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|
|
8
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|
8
|
|
|
10
|
|
8
|
|
|
11
|
|
9
|
|
|
11
|
|
7
|
|
|
12
|
|
10
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|
|
13
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|
12
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13
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|
10
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|
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14
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|
11
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|
(This is a reading assessment question. Be certain of your answer because you only get one attempt on this question.)
...
Question content area right
Part 1
y=enter your response herex+enter your response here
(Type integers or decimals rounded to four decimal places as needed.
Expert Solution
Step 1
Given information:
| x | y | x^2 | y^2 | xy |
| 3 | 6 | 9 | 36 | 18 |
| 4 | 5 | 16 | 25 | 20 |
| 5 | 7 | 25 | 49 | 35 |
| 6 | 4 | 36 | 16 | 24 |
| 7 | 6 | 49 | 36 | 42 |
| 8 | 9 | 64 | 81 | 72 |
| 8 | 8 | 64 | 64 | 64 |
| 9 | 13 | 81 | 169 | 117 |
| 10 | 8 | 100 | 64 | 80 |
| 11 | 9 | 121 | 81 | 99 |
| 11 | 7 | 121 | 49 | 77 |
| 12 | 10 | 144 | 100 | 120 |
| 13 | 12 | 169 | 144 | 156 |
| 13 | 10 | 169 | 100 | 130 |
| 14 | 11 | 196 | 121 | 154 |
|
∑X=134 |
∑Y=125 |
∑X^2=1364 |
∑Y^2=1135 |
∑XY=1208 |
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