(a)
To explain why it would not be practical for scientists to obtain an SRS in this setting.
(a)
Explanation of Solution
Given that:
Total pine trees
Population size
Sample pine trees
This implies
Now, in case of
Now, we have to select
(b)
To explain why is this sampling method biased.
(b)
Explanation of Solution
A possible alternative would be to use first
In this case, we only select first
So, if we only study about first
(c)
To find out can scientist conclude that exactly
(c)
Answer to Problem 15E
Yes.
Explanation of Solution
Systematic sampling: in this sampling starting from a random point on a sampling frame, every nth element in the frame is selected at equal interval.
In this study, total trees
And sample pine trees
Therefore, interval for selection,
It means we select every
Chapter 4 Solutions
PRACTICE OF STATISTICS F/AP EXAM
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