Given below is the trend line equation of a time series relating to sales of a firm. Y 15 + 2X where 1st quarters of 1996 is the trend origin, quarterly time deviation and quarterly sales (in '000 Rs.). The seasonal indices of the sales were as under : X = Y Qrs. I II III IV S.I. 110 120 80 90 Basing upon the above information estimate the quarterly sales for the year 1998 by the multiplicative model of the time series.
Given below is the trend line equation of a time series relating to sales of a firm. Y 15 + 2X where 1st quarters of 1996 is the trend origin, quarterly time deviation and quarterly sales (in '000 Rs.). The seasonal indices of the sales were as under : X = Y Qrs. I II III IV S.I. 110 120 80 90 Basing upon the above information estimate the quarterly sales for the year 1998 by the multiplicative model of the time series.
Chapter4: Linear Functions
Section4.3: Fitting Linear Models To Data
Problem 23SE: The US. import of wine (in hectoliters) for several years is given in Table 5. Determine whether the...
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Transcribed Image Text:Given below is the trend line equation of a time series relating to sales of a firm.
Y = 15 + 2X
where 1st quarters of 1996 is the trend origin,
quarterly time deviation and
Y
quarterly sales (in '000 Rs.).
The seasonal indices of the sales were as under :
I
II
III
IV
Qrs.
S.I.
110
120
80
90
Basing upon the above information estimate the quarterly sales for the year
1998 by the multiplicative model of the time series.
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