Concept explainers
(a)
To identify: the slope of the line
(a)
Answer to Problem 39E
The slope is:
Explanation of Solution
Given:
Calculation:
On comparing our equation to general equation of regression we get, the slope is:
This tells us that
Therefore, the slope is:
(b)
To identify: the intercept of the line
(b)
Answer to Problem 39E
The intercept is:
Explanation of Solution
Given:
Calculation:
On comparing our equation to general equation of regression we get, the intercept is:
The value of the y intercept is shows
Therefore, the intercept is:
(c)
To find: the value of
(c)
Answer to Problem 39E
The value of
Explanation of Solution
Calculation:
The regression line is:
Since researcher measured acid rain for 150 consecutive weeks. At the end of the study
When weeks = 150 then
The
Therefore, the
Chapter 3 Solutions
The Practice of Statistics for AP - 4th Edition
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