Answer: sample size
Explanation: sample size simply means the number of observations or items chosen as a representation of a population. Sample size is an important terminology used in statistical analysis as most statistical or experimental research cannot be performed using all the available observations in the entire population either due to cost or total impossibility. The larger the sample size, the better the generalization made about the entire population.
Therefore, a sample size consisting of 10,000 participants or observations will generalize more and hence, attract greater value and interest than the same analysis with a sample size of 24 participants.
The retrospective cohort study is the branch of backward cohort study supplanted by modern view that asserts that it is merely an efficient way to learn more about the relationship between exposure and a disease
<h3>Which is a retrospective cohort study?</h3>
Because the word "Retrospective” means relating to the past, this study is carried out by scientists who identify a group of people for study and plan the research in advance while collecting data over time.
Hence, the retrospective cohort study is the branch of backward cohort study supplanted by modern view.
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Answer:
Disintermediation (of the distribution centre)
Explanation: