From the sample data above, perform the following steps. d. At a 5% significance level, test the regression's significance. Calculate the P-value of this test. What conclusions are you possible to attain?
From the sample data above, perform the following steps. d. At a 5% significance level, test the regression's significance. Calculate the P-value of this test. What conclusions are you possible to attain?
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Question
Transcribed Image Text:i
х1
x2
x3
x4
x5
x6
bond
bond
pull
strength
loop
height
post
wire
observation
die height
width on
width on
height
length
the die
the post
8.0
5.2
17.0
28.6
83.0
1.9
1.6
2
8.0
5.2
19.6
29.6
94.9
2.1
2.3
3
8.3
5.8
19.8
32.4
89.7
2.1
1.8
4
8.5
6.4
19.6
31.0
96.2
2.0
2.0
8.8
5.8
19.4
32.4
95.6
2.2
2.1
9.0
5.2
18.6
28.6
86.5
2.0
1.8
7
9.3
5.6
18.8
30.6
84.5
2.1
2.1
8
9.3
6.0
20.4
32.4
88.8
2.2
1.9
9.5
5.2
19.0
32.6
85.7
2.1
1.9
10
9.8
5.8
20.8
32.2
93.6
2.3
2.1
11
10.0
6.4
19.9
31.8
86.0
2.1
1.8
12
10.3
6.0
18.0
32.6
87.1
2.0
1.6
13
10.5
6.2
20.6
33.4
93.1
2.1
2.1
14
10.8
6.2
20.2
31.8
83.4
2.2
2.1
15
11.0
6.2
20.2
32.4
94.5
2.1
1.9
16
11.3
5.6
19.2
31.4
83.4
1.9
1.8
17
11.5
6.0
17.0
33.2
85.2
2.1
2.1
18
11.8
5.8
19.8
35.4
84.1
2.0
1.8
19
12.0
6.5
19.4
32.2
88.5
2.1
1.9
20
12.3
5.6
18.8
34.0
86.9
2.1
1.8
21
12.5
18.6
18.6
34.2
83.0
1.9
2.0
22
12.5
18.6
20.8
35.4
96.2
2.3
2.3
TAKE NOTE: You must use R-studio and JASP.
From the sample data above, perform the following steps.
d. At a 5% significance level, test the regression's significance. Calculate the P-value of this test. What
conclusions are you possible to attain?
e. For each regression coefficient, compute the t-test statistic. What conclusions can you draw at a 5%
significance level? Do all of the variables play a factor in the model?
f. Calculate the regression coefficients' 95% confidence interval.
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