Jllustration 12.4. (Odd number of years.) Taking the original values the actual sales for the years 1960-66 given in Table 12.4 the application of the short-cut method may be illustrated in Table 12.5. •EXY will not be zero as EXY is the sum of the product of individual values of X and Y and is not the product of EX and EY.
Jllustration 12.4. (Odd number of years.) Taking the original values the actual sales for the years 1960-66 given in Table 12.4 the application of the short-cut method may be illustrated in Table 12.5. •EXY will not be zero as EXY is the sum of the product of individual values of X and Y and is not the product of EX and EY.
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
![TABLE 12.4
Actual sales
Product of
of cereals
(*000 tonnes)
Cols.
Trend in Estimated Sales
(2) and (3)
Year
Yc=4.571+.857 X
XY
3
5
6
1960
3
4.571+.857(0)=4.57
4.571+.857(1)=5.43
4.571+.857(2)=6.29
4.571+.857(3)=7.14
4.571+.857(4) = 8.00
4.571+.857(5)=8.86
4.571+.875(6)= 9.71
1961
1
7
1962
12
4
1963
3
24
9.
1964
4
9.
36
16
1965
7
35
25
1966
6.
10
36
N=7 EX=21
ΣΥ-50
ΣΥΥ-174 Σ 91
Total of trend values 50
%3D](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Ffc46d99a-55af-4521-ba9b-e7633093f01f%2F180a005a-d09b-42a9-a061-c9aa0cc9c912%2Fx8ulm27_processed.jpeg&w=3840&q=75)
Transcribed Image Text:TABLE 12.4
Actual sales
Product of
of cereals
(*000 tonnes)
Cols.
Trend in Estimated Sales
(2) and (3)
Year
Yc=4.571+.857 X
XY
3
5
6
1960
3
4.571+.857(0)=4.57
4.571+.857(1)=5.43
4.571+.857(2)=6.29
4.571+.857(3)=7.14
4.571+.857(4) = 8.00
4.571+.857(5)=8.86
4.571+.875(6)= 9.71
1961
1
7
1962
12
4
1963
3
24
9.
1964
4
9.
36
16
1965
7
35
25
1966
6.
10
36
N=7 EX=21
ΣΥ-50
ΣΥΥ-174 Σ 91
Total of trend values 50
%3D
![IIlustration 12.4. (Odd number of years.) Taking the original
values the actual sales for the years 1960-66 given in Table 12.4 the
application of the short-cut method may be illustrated in Table 12.5.
•EXY will not be zero as EXY is the sum of the product of individual values
of X and Y and is not the product of £X and EY.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Ffc46d99a-55af-4521-ba9b-e7633093f01f%2F180a005a-d09b-42a9-a061-c9aa0cc9c912%2Fpq9lgj_processed.jpeg&w=3840&q=75)
Transcribed Image Text:IIlustration 12.4. (Odd number of years.) Taking the original
values the actual sales for the years 1960-66 given in Table 12.4 the
application of the short-cut method may be illustrated in Table 12.5.
•EXY will not be zero as EXY is the sum of the product of individual values
of X and Y and is not the product of £X and EY.
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