2. Fit a trend line to the following data. Year: 1973, 1974, 1975, 1976, 1977, 1978. 92, 83, 94, 99, 92, 100. Production: Estimate the production in the year 1980. [Ans.: Y = 95 + 1-748 X where X = (1 - 1975-5) 2 ; 110-66]
2. Fit a trend line to the following data. Year: 1973, 1974, 1975, 1976, 1977, 1978. 92, 83, 94, 99, 92, 100. Production: Estimate the production in the year 1980. [Ans.: Y = 95 + 1-748 X where X = (1 - 1975-5) 2 ; 110-66]
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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![2. Fit a trend line to the following data.
Year: 1973, 1974, 1975,
83,
Production : 92,
94,
Estimate the production in the year 1980.
1976, 1977, 1978.
99, 92,
100.
[ Ans.: Y = 95 +1-748 X where X = (t - 1975-5) 2; 110-66]
3. Fit a straight line trend to the following data.
X':
0, 1, 2, 3, 4, 5.
Y :
1, 2, 3, 4-5, 6, 7-5.
[ Ans.: Y = 0-71 +1-31 X where X = (X'-2-5) 2]](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F1362bc0e-74c6-4c74-bcb9-cae15d132a85%2F8643eca4-5489-426f-83db-221e5c243de6%2Fbyxek1s_processed.jpeg&w=3840&q=75)
Transcribed Image Text:2. Fit a trend line to the following data.
Year: 1973, 1974, 1975,
83,
Production : 92,
94,
Estimate the production in the year 1980.
1976, 1977, 1978.
99, 92,
100.
[ Ans.: Y = 95 +1-748 X where X = (t - 1975-5) 2; 110-66]
3. Fit a straight line trend to the following data.
X':
0, 1, 2, 3, 4, 5.
Y :
1, 2, 3, 4-5, 6, 7-5.
[ Ans.: Y = 0-71 +1-31 X where X = (X'-2-5) 2]
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