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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.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 31PPS
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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
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.
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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