I in a Time Series Analysis, the Letter "A" in the Linear

question 1

Multiple Choice

i. In a time series analysis, the letter "a" in the linear trend equation, is the value of when t = 0.
ii. In the linear trend equation, t is any value that corresponds with a time period, i.e., month or
Quarter.
iii. If the sales, production or other data over a period of time tend to approximate a straight-line
Trend, the equation developed by the least squares method cannot be used to forecast sales for a
Future period.

• A) (i), (ii), and (iii) are all correct statements.
• B) (i) and (ii) are correct statements but not (iii).
• C) (i) and (iii) are correct statements but not (ii).
• D) (ii) and (iii) are correct statements but not (i).
• E) (i), (ii), and (iii) are all false statements.

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