Concept explainers
(a)
To find: The
(a)
Answer to Problem 12AYU
The required plot is shown in Figure 3
Explanation of Solution
Given:
The given table is shown in table 1
Table 1
Income (x) | Crime Rate (y) |
$5000 | 217.3 |
11250 | 195.7 |
20000 | 183.1 |
30000 | 179.4 |
42500 | 166.2 |
62500 | 166.8 |
85000 | 162.0 |
Calculation:
From the given table enter the data in the calculator TL-83
First turn on the scatter plot 1 as shown in Figure 1
Figure 1
The second step is to go to stat +1 to enter the data as shown in Figure 2
Figure 2
Press the Window button so that the calculator show the scatter plot on the screen as shown in Figure 3
Figure 3
(b)
To find: The model from the given data.
(b)
Answer to Problem 12AYU
The logarithm model will represent a best fit.
Explanation of Solution
From the graph shown in Figure 3 and from the given data the logarithm model is the best fit.
(c)
To find: The expression for the best fit model.
(c)
Answer to Problem 12AYU
The required model is
Explanation of Solution
From the scatter plot shown in Figure 1, the best fit model by the use of calculator is,
(d)
To find: The scatter plot for the best fit model.
(d)
Answer to Problem 12AYU
The best fit model is shown in Figure 4
Explanation of Solution
Consider the best fit model is,
The required plot by the help of calculator is shown in Figure 4
Figure 4
(e)
To find: The crime rate of the household whose income is
(e)
Answer to Problem 12AYU
Thecrime rate of the household is
Explanation of Solution
Consider the best fit model is,
Then,
Chapter 5 Solutions
Precalculus
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