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Problem

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Textbook Expert
Textbook ExpertVerified Tutor
21 Oct 2021

Given information

The table of the data is given as,

Income Ulcer rate
(per 100 population)
$4,000 14.1
$6,000 13.0
$8,000 13.4
$12,000 12.5
$16,000 12.0
$20,000 12.4
$30,000 10.5
$45,000 9.4
$60,000 8.2

Step-by-step explanation

Step 1.

From the table, consider the first and last data points are (4,000,14.1) and (60,000,8.2).
The slope of the linear equation is given by,
 

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