Concept explainers
To find: the randomized comparative experiment.
Answer to Problem 6E
The treatment group is the individuals who add Shea butter to their conditioner.
The control group is the individuals who use the regular conditioner.
Explanation of Solution
Given:
30 customers used the regular conditioner
30 customers used the new Shea butter conditioner.
Calculation:
In randomize comparative experiment, subjects are randomly assigned to the control group or the treatment group.
The control group is the group that is subjected to no treatment.
The treatment group is the group that is subjected to the treatment.
The study is an experiment, and not an observational study as here the subjects (volunteers) are randomly assigned to the control group or the treatment group.
The treatment here is adding Shea butter to their existing hair conditioner.
Here,
The treatment group is the individuals who add Shea butter to their conditioner.
The control group is the individuals who use the regular conditioner.
Conclusion:
The treatment group is the individuals who add Shea butter to their conditioner.
The control group is the individuals who use the regular conditioner.
Chapter 11 Solutions
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