Concept explainers
(a)
To explain why it would be difficult for managers to inspect an SRS of
(a)
Explanation of Solution
Out of
(b)
To explain why the idea given in the question is not good.
(b)
Explanation of Solution
If the last
Because there may be a change in the production process (may be machine is not working efficiently) in the end of the day. Any change in the production process influences the quality specification of a certain numbers of successively produced iPhones .The manager wants to ensure that all
(c)
To explain why this sampling method is not an SRS.
(c)
Explanation of Solution
SRS is a probability sampling in which every member of the population has Equal probability of being included in the sample.
Systematic sampling is partly probabilistic and partly non probabilistic sampling. This sampling method is probabilistic since the first member of the sample is selected at random from first
So, systematic random sampling is not an SRS.
Chapter 4 Solutions
PRACTICE OF STATISTICS F/AP EXAM
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