Consider the structure shown below. 
This is an example of
a. a polyurethane
b. a polyester
c. a polyamide
d. a polycarbonate
Definitions:
Independent Samples
Two or more groups of samples that are collected from separate populations and are not related or paired in any way.
Significance Level
The threshold below which a p-value results in the rejection of a null hypothesis, indicating statistical significance; commonly set at 0.05 or 5%.
Population Locations
Refers to the geographical distribution or positioning of individuals within a specified area.
Independent Samples
Distinct or separate groups used in an experiment or analysis, with each group having no impact on the outcomes or characteristics of the other group.
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