i. In the linear trend equation, t is any value that corresponds with a time period, i.e., month or
Quarter.
ii. A straight-line trend equation is used to represent the time series when it is believed that the data
Is increasing (or decreasing) by equal amounts, on the average, from one period to another.
iii. If the past data approximates a straight line, the equation used is
= a + bt, where a is the y-
Intercept and b is the slope of the line.
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.
Correct Answer:
Verified
Q48: Given the trend equation ŷ = 25
Q88: What is the forecast for year 9?
Q89: i. In a time series analysis, the
Q90: For a time series beginning with 1988
Q91: i. In the linear trend equation, t
Q92: i. In the linear trend equation, the
Q94: Listed below is the net sales in
Q95: If you have annual data for 1991
Q97: A linear trend equation is used to
Q98: i. In a time series analysis, the
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents