Instruction 14-6
The monthly advertising expenditures of a department store chain (in $1,000,000s)were collected over the last decade.The last 14 months of this time series follows:
$$\begin{array} { c c }
\text { Month } & \text { Expenditures } ( \$ ) \
1 & 1.4 \
2 & 1.8 \
3 & 1.6 \
4 & 1.5 \
5 & 1.8 \
6 & 1.7 \
7 & 1.9 \
8 & 2.2 \
9 & 1.9 \
10 & 1.9 \
11 & 2.1 \
12 & 2.4 \
13 & 2.8 \
14 & 3.1
\end{array}$$
-Referring to Instruction 14-6,advertising expenditures appear to be increasing in a linear rather than curvilinear manner over time.

Question

Instruction 14-6
The monthly advertising expenditures of a department store chain (in $1,000,000s)were collected over the last decade.The last 14 months of this time series follows:
 $$\begin{array} { c c } 
\text { Month } & \text { Expenditures } ( \$ ) \
1 & 1.4 \
2 & 1.8 \
3 & 1.6 \
4 & 1.5 \
5 & 1.8 \
6 & 1.7 \
7 & 1.9 \
8 & 2.2 \
9 & 1.9 \
10 & 1.9 \
11 & 2.1 \
12 & 2.4 \
13 & 2.8 \
14 & 3.1
\end{array}$$
-Referring to Instruction 14-6,advertising expenditures appear to be increasing in a linear rather than curvilinear manner over time.

Quizplus · Accepted Answer

The Answer of Instruction 14-6
The monthly advertising expenditures of a department store chain (in $1,000,000s)were collected over the last decade.The last 14 months of this time series follows:
 $$\begin{array} { c c } 
\text { Month } & \text { Expenditures } ( \$ ) \
1 & 1.4 \
2 & 1.8 \
3 & 1.6 \
4 & 1.5 \
5 & 1.8 \
6 & 1.7 \
7 & 1.9 \
8 & 2.2 \
9 & 1.9 \
10 & 1.9 \
11 & 2.1 \
12 & 2.4 \
13 & 2.8 \
14 & 3.1
\end{array}$$
-Referring to Instruction 14-6,advertising expenditures appear to be increasing in a linear rather than curvilinear manner over time.

Instruction 14-6 the Monthly Advertising Expenditures of a Department Store

Instruction 14-6
the Monthly Advertising Expenditures of a Department Store