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| PAGE: 35 | SET: Exercises | PROBLEM: 24 |
The percentage of the population of Argentina lived in rural areas are tabulated from 
to 
.
Graph :
Sketch the scattered plots by using the EX-SHEET method.
.gif)
Observe the scatter plots in a graph,
The plotted dots are appeared as decreasing in a linear way.
So the function of the graph represents a linear function.
From the EX-SHEET method the linear function is 
.
The linear function is 
.
Find the percentage of the rural population in 
.
Substitute 
in the linear function.
In the year , the percentage of the rural population is 
.
Find the percentage of the rural population in 
.
Substitute 
in the linear function.
In the year , the percentage of the rural population is 
.
Linear model is appropriate for the data.
The percentage of the rural population in 
and 
is 
and 
.
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