Example 18.15 The trend equation for annual sales of a product is- Y = 102 + 36 X with 1st January 1990 as origin. (i) Determine the monthly trend equation with 1 July 1992 as origin. (ii) Compute the trend values of sales in October 1994.

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Example 18.15 The trend equation for annual sales of a product is–
Y = 102 + 36 X
with 1s January 1990 as origin.
(i) Determine the monthly trend equation with 1ª July 1992 as origin.
(ii) Compute the trend values of sales in October 1994.
st
Transcribed Image Text:Example 18.15 The trend equation for annual sales of a product is– Y = 102 + 36 X with 1s January 1990 as origin. (i) Determine the monthly trend equation with 1ª July 1992 as origin. (ii) Compute the trend values of sales in October 1994. st
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