1- A sample study is mostly done?
a- to establish causality in a controlled environment
b- to estimate the parameters of the population.
c- to rule out any spurious correlation in the data.
d- to learn how different parameters in the population behave together.
2- Which of the following statements is NOT true about experimental studies to compare two treatments?
We can design experiments so that the error in the comparison is small.
Experiments allow us to set up a direct comparison between the treatments of interest.
We can design experiments to minimize any bias in the comparison.
It is not easy to control uncertainties in the comparison.
3- An experiment is said to be double-blinded if _________
the researcher is not aware of the confounding effect
the researchers only observe the variables of interest
neither the subject nor those working with the subject is aware of who is being given which treatment
a placebo is given to some of the subjects
4- A _______________ is a relationship between two variables that appear to have interdependence or association with each other but actually do not.
5- The first step for any kind of A/B testing is
to execute the test according to the plan.
to determine how we want to evaluate the performances?
to develop a test plan for what you want to test.
to develop a tracking URL. Get Operations Management homework help today
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