Find the mass and the moments of inertia 
and the radii of gyration 
for the lamina occupying the region R, where R is the region bounded by the graphs of the equations 
and having the mass density 
Definitions:
Selection Bias
A distortion of statistical analysis resulting from the method of collecting samples leading to an unrepresentative sample.
Target Population
The entire group about which researchers are interested in drawing conclusions or making generalizations, in a statistical study.
Biased Opinion
A preference or inclination that precludes an impartial judgment, often resulting from preconceived notions or prejudices.
Nonsampling Error
Errors not related to the act of selecting a sample from the population, such as measurement and processing errors.
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