1 -20 22 11 -35 48 2 -31 51 12 34 -27 3 3 8 13 11 -16
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

Transcribed Image Text:(a) Develop a scatter diagram for the relationship between x and y.
y
60
y
60
y
60
40
40
40
20
20
20
-20
-20
-20
-40
-40 -30 - 20 - 10 0
-40
-40 - 30 - 20 -10
-40
-40 - 30 - 20 -10
10
20
30
40
10
20
30
40
10
20
30
40
y
60
40
20
- 20
-40
-40 - 30 - 20 -10 0
10
20
30
40
(b) What is the relationship, if any, between x and y?
There is a positive relationship between x and y because y decreases as x increases.
There is a negative relationship between x and y because y increases as x increases.
There is a negative relationship between x and y because y decreases as x increases.
There is a positive relationship between x and y because y increases as x increases.
There is no relationship between x and y.
O O

Transcribed Image Text:The following 20 observations are for two quantitative variables, x and y.
Observation
y
Observation
y
1
-20
22
11
-35
48
-31
51
12
34
-27
3
8
13
11
-16
4
29
-16
14
-31
33
-13
10
15
22
-14
6.
22
-26
16
-2
14
7
-12
29
17
-13
18
-23
35
18
12
17
16
-5
19
-19
-9
10
4
-1
20
-5
-22
(a)
Develon a scatter diagram for the relationshin between y and v
Expert Solution

Step 1
Given:
The data is as follows
x | y |
-20 | 22 |
-31 | 51 |
3 | 8 |
29 | -16 |
-13 | 10 |
22 | -26 |
-12 | 29 |
-23 | 35 |
16 | -5 |
4 | -1 |
-35 | 48 |
34 | -27 |
11 | -16 |
-31 | 33 |
22 | -14 |
-2 | 14 |
-13 | 18 |
12 | 17 |
-19 | -9 |
-5 | -22 |
Step by step
Solved in 2 steps with 1 images

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