draw in a magnetic core by electronic means. They meas netic winding with and without the electronics in a paired e ase without electronics are provided in the following table Supply Voltage Current Without Electronic (mA) 0.66 7.32 1.32 12.22 1.98 16.34 2.64 23.66 3.3 28.06 3.96 33.39 4.62 34.12 3.28 39.21 5.94 44.21 6.6 47.48 regression line to predict current without electronics to sup significant
draw in a magnetic core by electronic means. They meas netic winding with and without the electronics in a paired e ase without electronics are provided in the following table Supply Voltage Current Without Electronic (mA) 0.66 7.32 1.32 12.22 1.98 16.34 2.64 23.66 3.3 28.06 3.96 33.39 4.62 34.12 3.28 39.21 5.94 44.21 6.6 47.48 regression line to predict current without electronics to sup significant
MATLAB: An Introduction with Applications
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ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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ENGINEERING DATA ANALYSIS
![In an article in IEEE Transactions on Instrumentation and Measurement (2001,
Vol. 50, pp. 986-990), researchers reported on a study of the effects of reducing
current draw in a magnetic core by electronic means. They measured the current
in a magnetic winding with and without the electronics in a paired experiment. Data
for the case without electronics are provided in the following table.
Supply
Voltage
Current Without
Electronic (mA)
0.66
7.32
1.32
12.22
1.98
16.34
2.64
23.66
3.3
28.06
3.96
33.39
4.62
34.12
3.28
39.21
5.94
44.21
6.6
47.48
a. Fit a regression line to predict current without electronics to supply voltage. Is
there a significant
regression at a = 0.05? What is the P-value?
b. Estimate the correlation coefficient.
c. Test the hypothesis that p = 0 against the alternative p#0 with a = 0.05. What
is the P-value?
d. Compute a 95% confidence interval for the correlation coefficient.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F10f8a75b-dc28-4f3a-9856-7a4384d2c1e0%2F44131199-906b-4368-a864-69f97a2f0bc6%2F5q6unyb_processed.jpeg&w=3840&q=75)
Transcribed Image Text:In an article in IEEE Transactions on Instrumentation and Measurement (2001,
Vol. 50, pp. 986-990), researchers reported on a study of the effects of reducing
current draw in a magnetic core by electronic means. They measured the current
in a magnetic winding with and without the electronics in a paired experiment. Data
for the case without electronics are provided in the following table.
Supply
Voltage
Current Without
Electronic (mA)
0.66
7.32
1.32
12.22
1.98
16.34
2.64
23.66
3.3
28.06
3.96
33.39
4.62
34.12
3.28
39.21
5.94
44.21
6.6
47.48
a. Fit a regression line to predict current without electronics to supply voltage. Is
there a significant
regression at a = 0.05? What is the P-value?
b. Estimate the correlation coefficient.
c. Test the hypothesis that p = 0 against the alternative p#0 with a = 0.05. What
is the P-value?
d. Compute a 95% confidence interval for the correlation coefficient.
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