
Advanced Engineering Mathematics
10th Edition
ISBN: 9780470458365
Author: Erwin Kreyszig
Publisher: Wiley, John & Sons, Incorporated
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Transcribed Image Text:16
The following data is available of estimated overhead costs using linear regression:
t for H(0)
Std. error
Parameter
Estimate
Parameter = 0
Pr>t
of parameter
Intercept
100.41
4.81
0.0003
20.88
DLH
14.05
6.78
0.0001
2.07
R Square (R 2)
Standard Error (S)
0.80
25.03
Observations
17
Table of Selected Values: t Distribution
Degrees of
Freedom
90%
95%
99%
15
1.753
2.131
2.947
16
1.746
2.120
2.921
17
1.740
2.110
2.898
18
1.734
2.101
2.878
19
1.729
2.093
2.861
What is the interval around Y if 95 percent confidence is desired?
O a. Y+ 52.8133
O b. Y# 20.024
OC. Y+ 53.33893
O d. Y+ 43.87759
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