THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION

question 99

Essay

THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION:
Consider the following (x,y)sample data: (40,13),(15,33),(16,42),(39,9),(20,38),(35,15),(25,21),(34,17),(20,24),and (34,21).
-Calculate the variances
and
,and the covariance s_xy of the sample data.

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Definitions:

Skeletal System

The framework of bones and connective tissues that supports the body, protects organs, and allows for movement.

Dense Tissue

Describes tissue with relatively few spaces between cells, often found in areas like tendons and ligaments.

X-rays

A form of electromagnetic radiation with a very short wavelength, capable of penetrating solids and used in medical imaging and other applications.

Matter

Anything that has mass and takes up space, made up of atoms or molecules, and can exist in solid, liquid, or gas form.