Identify the components of simple linear regression models and discuss their applications Use the data given below to answer the following question(s).
The worldwide sales of cars from 1981-1990 are shown in the table below. Given: α = 0.2 and β
= 0.15 (Hint: Use XLMiner) $$\begin{array} { | c | c | }
\hline \text { Year } & \begin{array} { c }
\text { Units sold in } \
\text { thousands }
\end{array} \
\hline 1981 & 888 \
\hline 1982 & 900 \
\hline 1983 & 1000 \
\hline 1984 & 1200 \
\hline 1985 & 1100 \
\hline 1986 & 1300 \
\hline 1987 & 1250 \
\hline 1988 & 1150 \
\hline 1989 & 1100 \
\hline 1990 & 1200 \
\hline
\end{array}$$
-Using the double exponential smoothing, calculate the value of the mean absolute deviation for the given data.
A) 8.10
B) 1.80
C) 91.27
D) 11976.17

Question

Identify the components of simple linear regression models and discuss their applications Use the data given below to answer the following question(s).
The worldwide sales of cars from 1981-1990 are shown in the table below. Given: α = 0.2 and β
= 0.15 (Hint: Use XLMiner) $$\begin{array} { | c | c | } 
\hline \text { Year } & \begin{array} { c } 
\text { Units sold in } \
\text { thousands }
\end{array} \
\hline 1981 & 888 \
\hline 1982 & 900 \
\hline 1983 & 1000 \
\hline 1984 & 1200 \
\hline 1985 & 1100 \
\hline 1986 & 1300 \
\hline 1987 & 1250 \
\hline 1988 & 1150 \
\hline 1989 & 1100 \
\hline 1990 & 1200 \
\hline
\end{array}$$
-Using the double exponential smoothing, calculate the value of the mean absolute deviation for the given data.
A) 8.10
B) 1.80
C) 91.27
D) 11976.17

Quizplus · Accepted Answer

The mean absolute deviation (MAD) is calculated using the double exponential smoothing method with the given smoothing constants α = 0.2 and β = 0.15. The correct MAD value for the data provided is 91.27.

Identify the Components of Simple Linear Regression Models and Discuss